19867560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9739}}^1$

素因数の和:9770

約数の個数: 64

約数和(自身を含む): 63115200

約数和(自身を除く): 43247640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 9739, 19478, 29217, 38956, 48695, 58434, 77912, 97390, 116868, 146085, 165563, 194780, 233736, 292170, 331126, 389560, 496689, 584340, 662252, 827815, 993378, 1168680, 1324504, 1655630, 1986756, 2483445, 3311260, 3973512, 4966890, 6622520, 9933780, 19867560]

約数ペア:

[(1, 19867560), (2, 9933780), (3, 6622520), (4, 4966890), (5, 3973512), (6, 3311260), (8, 2483445), (10, 1986756), (12, 1655630), (15, 1324504), (17, 1168680), (20, 993378), (24, 827815), (30, 662252), (34, 584340), (40, 496689), (51, 389560), (60, 331126), (68, 292170), (85, 233736), (102, 194780), (120, 165563), (136, 146085), (170, 116868), (204, 97390), (255, 77912), (340, 58434), (408, 48695), (510, 38956), (680, 29217), (1020, 19478), (2040, 9739)]