19543266428

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:772

約数の個数: 144

約数和(自身を含む): 42648669504

約数和(自身を除く): 23105403076

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 53, 92, 98, 106, 157, 161, 196, 212, 314, 322, 371, 521, 628, 644, 742, 1042, 1099, 1127, 1219, 1484, 2084, 2198, 2254, 2438, 2597, 3611, 3647, 4396, 4508, 4876, 5194, 7222, 7294, 7693, 8321, 8533, 10388, 11983, 14444, 14588, 15386, 16642, 17066, 23966, 25277, 25529, 27613, 30772, 33284, 34132, 47932, 50554, 51058, 55226, 58247, 59731, 81797, 83881, 101108, 102116, 110452, 116494, 119462, 163594, 167762, 176939, 191383, 193291, 232988, 238924, 327188, 335524, 353878, 382766, 386582, 407729, 572579, 587167, 635099, 707756, 765532, 773164, 815458, 1145158, 1174334, 1270198, 1339681, 1353037, 1630916, 1881331, 2290316, 2348668, 2540396, 2679362, 2706074, 3762662, 4008053, 4335241, 4445693, 5358724, 5412148, 7525324, 8016106, 8670482, 8891386, 9377767, 13169317, 16032212, 17340964, 17782772, 18755534, 26338634, 30346687, 31119851, 37511068, 52677268, 60693374, 62239702, 92185219, 99710543, 121386748, 124479404, 184370438, 199421086, 212426809, 368740876, 398842172, 424853618, 697973801, 849707236, 1395947602, 2791895204, 4885816607, 9771633214, 19543266428]

約数ペア:

[(1, 19543266428), (2, 9771633214), (4, 4885816607), (7, 2791895204), (14, 1395947602), (23, 849707236), (28, 697973801), (46, 424853618), (49, 398842172), (53, 368740876), (92, 212426809), (98, 199421086), (106, 184370438), (157, 124479404), (161, 121386748), (196, 99710543), (212, 92185219), (314, 62239702), (322, 60693374), (371, 52677268), (521, 37511068), (628, 31119851), (644, 30346687), (742, 26338634), (1042, 18755534), (1099, 17782772), (1127, 17340964), (1219, 16032212), (1484, 13169317), (2084, 9377767), (2198, 8891386), (2254, 8670482), (2438, 8016106), (2597, 7525324), (3611, 5412148), (3647, 5358724), (4396, 4445693), (4508, 4335241), (4876, 4008053), (5194, 3762662), (7222, 2706074), (7294, 2679362), (7693, 2540396), (8321, 2348668), (8533, 2290316), (10388, 1881331), (11983, 1630916), (14444, 1353037), (14588, 1339681), (15386, 1270198), (16642, 1174334), (17066, 1145158), (23966, 815458), (25277, 773164), (25529, 765532), (27613, 707756), (30772, 635099), (33284, 587167), (34132, 572579), (47932, 407729), (50554, 386582), (51058, 382766), (55226, 353878), (58247, 335524), (59731, 327188), (81797, 238924), (83881, 232988), (101108, 193291), (102116, 191383), (110452, 176939), (116494, 167762), (119462, 163594)]