18905964

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 58222080

約数和(自身を除く): 39316116

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 37, 42, 44, 49, 66, 74, 77, 79, 84, 98, 111, 132, 147, 148, 154, 158, 196, 222, 231, 237, 259, 294, 308, 316, 407, 444, 462, 474, 518, 539, 553, 588, 777, 814, 869, 924, 948, 1036, 1078, 1106, 1221, 1554, 1617, 1628, 1659, 1738, 1813, 2156, 2212, 2442, 2607, 2849, 2923, 3108, 3234, 3318, 3476, 3626, 3871, 4884, 5214, 5439, 5698, 5846, 6083, 6468, 6636, 7252, 7742, 8547, 8769, 10428, 10878, 11396, 11613, 11692, 12166, 15484, 17094, 17538, 18249, 19943, 20461, 21756, 23226, 24332, 32153, 34188, 35076, 36498, 39886, 40922, 42581, 46452, 59829, 61383, 64306, 72996, 79772, 81844, 85162, 96459, 119658, 122766, 127743, 128612, 143227, 170324, 192918, 225071, 239316, 245532, 255486, 286454, 385836, 429681, 450142, 510972, 572908, 675213, 859362, 900284, 1350426, 1575497, 1718724, 2700852, 3150994, 4726491, 6301988, 9452982, 18905964]

約数ペア:

[(1, 18905964), (2, 9452982), (3, 6301988), (4, 4726491), (6, 3150994), (7, 2700852), (11, 1718724), (12, 1575497), (14, 1350426), (21, 900284), (22, 859362), (28, 675213), (33, 572908), (37, 510972), (42, 450142), (44, 429681), (49, 385836), (66, 286454), (74, 255486), (77, 245532), (79, 239316), (84, 225071), (98, 192918), (111, 170324), (132, 143227), (147, 128612), (148, 127743), (154, 122766), (158, 119658), (196, 96459), (222, 85162), (231, 81844), (237, 79772), (259, 72996), (294, 64306), (308, 61383), (316, 59829), (407, 46452), (444, 42581), (462, 40922), (474, 39886), (518, 36498), (539, 35076), (553, 34188), (588, 32153), (777, 24332), (814, 23226), (869, 21756), (924, 20461), (948, 19943), (1036, 18249), (1078, 17538), (1106, 17094), (1221, 15484), (1554, 12166), (1617, 11692), (1628, 11613), (1659, 11396), (1738, 10878), (1813, 10428), (2156, 8769), (2212, 8547), (2442, 7742), (2607, 7252), (2849, 6636), (2923, 6468), (3108, 6083), (3234, 5846), (3318, 5698), (3476, 5439), (3626, 5214), (3871, 4884)]