19651710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1229}}^1$

素因数の和:1293

約数の個数: 64

約数和(自身を含む): 52073280

約数和(自身を除く): 32421570

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 130, 195, 205, 246, 390, 410, 533, 615, 1066, 1229, 1230, 1599, 2458, 2665, 3198, 3687, 5330, 6145, 7374, 7995, 12290, 15977, 15990, 18435, 31954, 36870, 47931, 50389, 79885, 95862, 100778, 151167, 159770, 239655, 251945, 302334, 479310, 503890, 655057, 755835, 1310114, 1511670, 1965171, 3275285, 3930342, 6550570, 9825855, 19651710]

約数ペア:

[(1, 19651710), (2, 9825855), (3, 6550570), (5, 3930342), (6, 3275285), (10, 1965171), (13, 1511670), (15, 1310114), (26, 755835), (30, 655057), (39, 503890), (41, 479310), (65, 302334), (78, 251945), (82, 239655), (123, 159770), (130, 151167), (195, 100778), (205, 95862), (246, 79885), (390, 50389), (410, 47931), (533, 36870), (615, 31954), (1066, 18435), (1229, 15990), (1230, 15977), (1599, 12290), (2458, 7995), (2665, 7374), (3198, 6145), (3687, 5330)]