17727970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 36578304

約数和(自身を除く): 18850334

約数列:

[1, 2, 5, 10, 13, 26, 31, 53, 62, 65, 83, 106, 130, 155, 166, 265, 310, 403, 415, 530, 689, 806, 830, 1079, 1378, 1643, 2015, 2158, 2573, 3286, 3445, 4030, 4399, 5146, 5395, 6890, 8215, 8798, 10790, 12865, 16430, 21359, 21995, 25730, 33449, 42718, 43990, 57187, 66898, 106795, 114374, 136369, 167245, 213590, 272738, 285935, 334490, 571870, 681845, 1363690, 1772797, 3545594, 8863985, 17727970]

約数ペア:

[(1, 17727970), (2, 8863985), (5, 3545594), (10, 1772797), (13, 1363690), (26, 681845), (31, 571870), (53, 334490), (62, 285935), (65, 272738), (83, 213590), (106, 167245), (130, 136369), (155, 114374), (166, 106795), (265, 66898), (310, 57187), (403, 43990), (415, 42718), (530, 33449), (689, 25730), (806, 21995), (830, 21359), (1079, 16430), (1378, 12865), (1643, 10790), (2015, 8798), (2158, 8215), (2573, 6890), (3286, 5395), (3445, 5146), (4030, 4399)]