18499693640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2797}}^1$

素因数の和:2995

約数の個数: 128

約数和(自身を含む): 44209519200

約数和(自身を除く): 25709825560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 109, 148, 164, 185, 205, 218, 296, 328, 370, 410, 436, 545, 740, 820, 872, 1090, 1480, 1517, 1640, 2180, 2797, 3034, 4033, 4360, 4469, 5594, 6068, 7585, 8066, 8938, 11188, 12136, 13985, 15170, 16132, 17876, 20165, 22345, 22376, 27970, 30340, 32264, 35752, 40330, 44690, 55940, 60680, 80660, 89380, 103489, 111880, 114677, 161320, 165353, 178760, 206978, 229354, 304873, 330706, 413956, 458708, 517445, 573385, 609746, 661412, 826765, 827912, 917416, 1034890, 1146770, 1219492, 1322824, 1524365, 1653530, 2069780, 2293540, 2438984, 3048730, 3307060, 4139560, 4243049, 4587080, 6097460, 6614120, 8486098, 11280301, 12194920, 12499793, 16972196, 21215245, 22560602, 24999586, 33944392, 42430490, 45121204, 49999172, 56401505, 62498965, 84860980, 90242408, 99998344, 112803010, 124997930, 169721960, 225606020, 249995860, 451212040, 462492341, 499991720, 924984682, 1849969364, 2312461705, 3699938728, 4624923410, 9249846820, 18499693640]

約数ペア:

[(1, 18499693640), (2, 9249846820), (4, 4624923410), (5, 3699938728), (8, 2312461705), (10, 1849969364), (20, 924984682), (37, 499991720), (40, 462492341), (41, 451212040), (74, 249995860), (82, 225606020), (109, 169721960), (148, 124997930), (164, 112803010), (185, 99998344), (205, 90242408), (218, 84860980), (296, 62498965), (328, 56401505), (370, 49999172), (410, 45121204), (436, 42430490), (545, 33944392), (740, 24999586), (820, 22560602), (872, 21215245), (1090, 16972196), (1480, 12499793), (1517, 12194920), (1640, 11280301), (2180, 8486098), (2797, 6614120), (3034, 6097460), (4033, 4587080), (4360, 4243049), (4469, 4139560), (5594, 3307060), (6068, 3048730), (7585, 2438984), (8066, 2293540), (8938, 2069780), (11188, 1653530), (12136, 1524365), (13985, 1322824), (15170, 1219492), (16132, 1146770), (17876, 1034890), (20165, 917416), (22345, 827912), (22376, 826765), (27970, 661412), (30340, 609746), (32264, 573385), (35752, 517445), (40330, 458708), (44690, 413956), (55940, 330706), (60680, 304873), (80660, 229354), (89380, 206978), (103489, 178760), (111880, 165353), (114677, 161320)]