19383156

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 53508000

約数和(自身を除く): 34124844

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 83, 117, 156, 166, 234, 249, 332, 468, 498, 499, 747, 996, 998, 1079, 1494, 1497, 1996, 2158, 2988, 2994, 3237, 4316, 4491, 5988, 6474, 6487, 8982, 9711, 12948, 12974, 17964, 19422, 19461, 25948, 38844, 38922, 41417, 58383, 77844, 82834, 116766, 124251, 165668, 233532, 248502, 372753, 497004, 538421, 745506, 1076842, 1491012, 1615263, 2153684, 3230526, 4845789, 6461052, 9691578, 19383156]

約数ペア:

[(1, 19383156), (2, 9691578), (3, 6461052), (4, 4845789), (6, 3230526), (9, 2153684), (12, 1615263), (13, 1491012), (18, 1076842), (26, 745506), (36, 538421), (39, 497004), (52, 372753), (78, 248502), (83, 233532), (117, 165668), (156, 124251), (166, 116766), (234, 82834), (249, 77844), (332, 58383), (468, 41417), (498, 38922), (499, 38844), (747, 25948), (996, 19461), (998, 19422), (1079, 17964), (1494, 12974), (1497, 12948), (1996, 9711), (2158, 8982), (2988, 6487), (2994, 6474), (3237, 5988), (4316, 4491)]