18651594

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 42223104

約数和(自身を除く): 23571510

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 67, 78, 83, 86, 129, 134, 166, 201, 249, 258, 402, 498, 559, 871, 1079, 1118, 1677, 1742, 2158, 2613, 2881, 3237, 3354, 3569, 5226, 5561, 5762, 6474, 7138, 8643, 10707, 11122, 16683, 17286, 21414, 33366, 37453, 46397, 72293, 74906, 92794, 112359, 139191, 144586, 216879, 224718, 239123, 278382, 433758, 478246, 717369, 1434738, 3108599, 6217198, 9325797, 18651594]

約数ペア:

[(1, 18651594), (2, 9325797), (3, 6217198), (6, 3108599), (13, 1434738), (26, 717369), (39, 478246), (43, 433758), (67, 278382), (78, 239123), (83, 224718), (86, 216879), (129, 144586), (134, 139191), (166, 112359), (201, 92794), (249, 74906), (258, 72293), (402, 46397), (498, 37453), (559, 33366), (871, 21414), (1079, 17286), (1118, 16683), (1677, 11122), (1742, 10707), (2158, 8643), (2613, 7138), (2881, 6474), (3237, 5762), (3354, 5561), (3569, 5226)]