19603640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1392

約数の個数: 64

約数和(自身を含む): 51399360

約数和(自身を除く): 31795720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1321, 1484, 1855, 2120, 2642, 2968, 3710, 5284, 6605, 7420, 9247, 10568, 13210, 14840, 18494, 26420, 36988, 46235, 52840, 70013, 73976, 92470, 140026, 184940, 280052, 350065, 369880, 490091, 560104, 700130, 980182, 1400260, 1960364, 2450455, 2800520, 3920728, 4900910, 9801820, 19603640]

約数ペア:

[(1, 19603640), (2, 9801820), (4, 4900910), (5, 3920728), (7, 2800520), (8, 2450455), (10, 1960364), (14, 1400260), (20, 980182), (28, 700130), (35, 560104), (40, 490091), (53, 369880), (56, 350065), (70, 280052), (106, 184940), (140, 140026), (212, 92470), (265, 73976), (280, 70013), (371, 52840), (424, 46235), (530, 36988), (742, 26420), (1060, 18494), (1321, 14840), (1484, 13210), (1855, 10568), (2120, 9247), (2642, 7420), (2968, 6605), (3710, 5284)]