19832280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12713}}^1$

素因数の和:12740

約数の個数: 64

約数和(自身を含む): 64078560

約数和(自身を除く): 44246280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12713, 25426, 38139, 50852, 63565, 76278, 101704, 127130, 152556, 165269, 190695, 254260, 305112, 330538, 381390, 495807, 508520, 661076, 762780, 826345, 991614, 1322152, 1525560, 1652690, 1983228, 2479035, 3305380, 3966456, 4958070, 6610760, 9916140, 19832280]

約数ペア:

[(1, 19832280), (2, 9916140), (3, 6610760), (4, 4958070), (5, 3966456), (6, 3305380), (8, 2479035), (10, 1983228), (12, 1652690), (13, 1525560), (15, 1322152), (20, 991614), (24, 826345), (26, 762780), (30, 661076), (39, 508520), (40, 495807), (52, 381390), (60, 330538), (65, 305112), (78, 254260), (104, 190695), (120, 165269), (130, 152556), (156, 127130), (195, 101704), (260, 76278), (312, 63565), (390, 50852), (520, 38139), (780, 25426), (1560, 12713)]