19844838

素因数分解:

$2^1\times 3^7\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 48216000

約数和(自身を除く): 28371162

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 349, 351, 486, 698, 702, 729, 1047, 1053, 1458, 2094, 2106, 2187, 3141, 3159, 4374, 4537, 6282, 6318, 9074, 9423, 9477, 13611, 18846, 18954, 27222, 28269, 28431, 40833, 56538, 56862, 81666, 84807, 122499, 169614, 244998, 254421, 367497, 508842, 734994, 763263, 1102491, 1526526, 2204982, 3307473, 6614946, 9922419, 19844838]

約数ペア:

[(1, 19844838), (2, 9922419), (3, 6614946), (6, 3307473), (9, 2204982), (13, 1526526), (18, 1102491), (26, 763263), (27, 734994), (39, 508842), (54, 367497), (78, 254421), (81, 244998), (117, 169614), (162, 122499), (234, 84807), (243, 81666), (349, 56862), (351, 56538), (486, 40833), (698, 28431), (702, 28269), (729, 27222), (1047, 18954), (1053, 18846), (1458, 13611), (2094, 9477), (2106, 9423), (2187, 9074), (3141, 6318), (3159, 6282), (4374, 4537)]