19147284

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 52651872

約数和(自身を除く): 33504588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 163, 234, 251, 326, 468, 489, 502, 652, 753, 978, 1004, 1467, 1506, 1956, 2119, 2259, 2934, 3012, 3263, 4238, 4518, 5868, 6357, 6526, 8476, 9036, 9789, 12714, 13052, 19071, 19578, 25428, 29367, 38142, 39156, 40913, 58734, 76284, 81826, 117468, 122739, 163652, 245478, 368217, 490956, 531869, 736434, 1063738, 1472868, 1595607, 2127476, 3191214, 4786821, 6382428, 9573642, 19147284]

約数ペア:

[(1, 19147284), (2, 9573642), (3, 6382428), (4, 4786821), (6, 3191214), (9, 2127476), (12, 1595607), (13, 1472868), (18, 1063738), (26, 736434), (36, 531869), (39, 490956), (52, 368217), (78, 245478), (117, 163652), (156, 122739), (163, 117468), (234, 81826), (251, 76284), (326, 58734), (468, 40913), (489, 39156), (502, 38142), (652, 29367), (753, 25428), (978, 19578), (1004, 19071), (1467, 13052), (1506, 12714), (1956, 9789), (2119, 9036), (2259, 8476), (2934, 6526), (3012, 6357), (3263, 5868), (4238, 4518)]