18627228

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 49008960

約数和(自身を除く): 30381732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 101, 109, 141, 188, 202, 218, 282, 303, 327, 404, 423, 436, 564, 606, 654, 846, 909, 981, 1212, 1308, 1692, 1818, 1962, 3636, 3924, 4747, 5123, 9494, 10246, 11009, 14241, 15369, 18988, 20492, 22018, 28482, 30738, 33027, 42723, 44036, 46107, 56964, 61476, 66054, 85446, 92214, 99081, 132108, 170892, 184428, 198162, 396324, 517423, 1034846, 1552269, 2069692, 3104538, 4656807, 6209076, 9313614, 18627228]

約数ペア:

[(1, 18627228), (2, 9313614), (3, 6209076), (4, 4656807), (6, 3104538), (9, 2069692), (12, 1552269), (18, 1034846), (36, 517423), (47, 396324), (94, 198162), (101, 184428), (109, 170892), (141, 132108), (188, 99081), (202, 92214), (218, 85446), (282, 66054), (303, 61476), (327, 56964), (404, 46107), (423, 44036), (436, 42723), (564, 33027), (606, 30738), (654, 28482), (846, 22018), (909, 20492), (981, 18988), (1212, 15369), (1308, 14241), (1692, 11009), (1818, 10246), (1962, 9494), (3636, 5123), (3924, 4747)]