18716517430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^2\times {\mathrm{20899}}^1$

素因数の和:21085

約数の個数: 48

約数和(自身を含む): 36725396400

約数和(自身を除く): 18008878970

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 415, 830, 1079, 2158, 5395, 6889, 10790, 13778, 20899, 34445, 41798, 68890, 89557, 104495, 179114, 208990, 271687, 447785, 543374, 895570, 1358435, 1734617, 2716870, 3469234, 8673085, 17346170, 22550021, 45100042, 112750105, 143973211, 225500210, 287946422, 719866055, 1439732110, 1871651743, 3743303486, 9358258715, 18716517430]

約数ペア:

[(1, 18716517430), (2, 9358258715), (5, 3743303486), (10, 1871651743), (13, 1439732110), (26, 719866055), (65, 287946422), (83, 225500210), (130, 143973211), (166, 112750105), (415, 45100042), (830, 22550021), (1079, 17346170), (2158, 8673085), (5395, 3469234), (6889, 2716870), (10790, 1734617), (13778, 1358435), (20899, 895570), (34445, 543374), (41798, 447785), (68890, 271687), (89557, 208990), (104495, 179114)]