19460540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1669}}^1$

素因数の和:1742

約数の個数: 48

約数和(自身を含む): 45450720

約数和(自身を除く): 25990180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 1669, 2332, 2915, 3338, 5830, 6676, 8345, 11660, 16690, 18359, 33380, 36718, 73436, 88457, 91795, 176914, 183590, 353828, 367180, 442285, 884570, 973027, 1769140, 1946054, 3892108, 4865135, 9730270, 19460540]

約数ペア:

[(1, 19460540), (2, 9730270), (4, 4865135), (5, 3892108), (10, 1946054), (11, 1769140), (20, 973027), (22, 884570), (44, 442285), (53, 367180), (55, 353828), (106, 183590), (110, 176914), (212, 91795), (220, 88457), (265, 73436), (530, 36718), (583, 33380), (1060, 18359), (1166, 16690), (1669, 11660), (2332, 8345), (2915, 6676), (3338, 5830)]