18896514

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:731

約数の個数: 64

約数和(自身を含む): 47464704

約数和(自身を除く): 28568190

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 318, 371, 546, 653, 689, 742, 1113, 1306, 1378, 1959, 2067, 2226, 3918, 4134, 4571, 4823, 8489, 9142, 9646, 13713, 14469, 16978, 25467, 27426, 28938, 34609, 50934, 59423, 69218, 103827, 118846, 178269, 207654, 242263, 356538, 449917, 484526, 726789, 899834, 1349751, 1453578, 2699502, 3149419, 6298838, 9448257, 18896514]

約数ペア:

[(1, 18896514), (2, 9448257), (3, 6298838), (6, 3149419), (7, 2699502), (13, 1453578), (14, 1349751), (21, 899834), (26, 726789), (39, 484526), (42, 449917), (53, 356538), (78, 242263), (91, 207654), (106, 178269), (159, 118846), (182, 103827), (273, 69218), (318, 59423), (371, 50934), (546, 34609), (653, 28938), (689, 27426), (742, 25467), (1113, 16978), (1306, 14469), (1378, 13713), (1959, 9646), (2067, 9142), (2226, 8489), (3918, 4823), (4134, 4571)]