18185960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{853}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 45193680

約数和(自身を除く): 27007720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 853, 1066, 1640, 1706, 2132, 2665, 3412, 4264, 4265, 5330, 6824, 8530, 10660, 11089, 17060, 21320, 22178, 34120, 34973, 44356, 55445, 69946, 88712, 110890, 139892, 174865, 221780, 279784, 349730, 443560, 454649, 699460, 909298, 1398920, 1818596, 2273245, 3637192, 4546490, 9092980, 18185960]

約数ペア:

[(1, 18185960), (2, 9092980), (4, 4546490), (5, 3637192), (8, 2273245), (10, 1818596), (13, 1398920), (20, 909298), (26, 699460), (40, 454649), (41, 443560), (52, 349730), (65, 279784), (82, 221780), (104, 174865), (130, 139892), (164, 110890), (205, 88712), (260, 69946), (328, 55445), (410, 44356), (520, 34973), (533, 34120), (820, 22178), (853, 21320), (1066, 17060), (1640, 11089), (1706, 10660), (2132, 8530), (2665, 6824), (3412, 5330), (4264, 4265)]