19636428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13751}}^1$

素因数の和:13782

約数の個数: 48

約数和(自身を含む): 55448064

約数和(自身を除く): 35811636

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 13751, 27502, 41253, 55004, 82506, 96257, 165012, 192514, 233767, 288771, 385028, 467534, 577542, 701301, 935068, 1155084, 1402602, 1636369, 2805204, 3272738, 4909107, 6545476, 9818214, 19636428]

約数ペア:

[(1, 19636428), (2, 9818214), (3, 6545476), (4, 4909107), (6, 3272738), (7, 2805204), (12, 1636369), (14, 1402602), (17, 1155084), (21, 935068), (28, 701301), (34, 577542), (42, 467534), (51, 385028), (68, 288771), (84, 233767), (102, 192514), (119, 165012), (204, 96257), (238, 82506), (357, 55004), (476, 41253), (714, 27502), (1428, 13751)]