19901216064

素因数分解:

$2^6\times 3^1\times {\mathrm{26261}}^1\times {\mathrm{3947}}^1$

素因数の和:30223

約数の個数: 56

約数和(自身を含む): 52670647008

約数和(自身を除く): 32769430944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 3947, 7894, 11841, 15788, 23682, 26261, 31576, 47364, 52522, 63152, 78783, 94728, 105044, 126304, 157566, 189456, 210088, 252608, 315132, 378912, 420176, 630264, 757824, 840352, 1260528, 1680704, 2521056, 5042112, 103652167, 207304334, 310956501, 414608668, 621913002, 829217336, 1243826004, 1658434672, 2487652008, 3316869344, 4975304016, 6633738688, 9950608032, 19901216064]

約数ペア:

[(1, 19901216064), (2, 9950608032), (3, 6633738688), (4, 4975304016), (6, 3316869344), (8, 2487652008), (12, 1658434672), (16, 1243826004), (24, 829217336), (32, 621913002), (48, 414608668), (64, 310956501), (96, 207304334), (192, 103652167), (3947, 5042112), (7894, 2521056), (11841, 1680704), (15788, 1260528), (23682, 840352), (26261, 757824), (31576, 630264), (47364, 420176), (52522, 378912), (63152, 315132), (78783, 252608), (94728, 210088), (105044, 189456), (126304, 157566)]