17961993980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{242533}}^1$

素因数の和:242595

約数の個数: 72

約数和(自身を含む): 45064757472

約数和(自身を除く): 27102763492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 529, 644, 805, 1058, 1610, 2116, 2645, 3220, 3703, 5290, 7406, 10580, 14812, 18515, 37030, 74060, 242533, 485066, 970132, 1212665, 1697731, 2425330, 3395462, 4850660, 5578259, 6790924, 8488655, 11156518, 16977310, 22313036, 27891295, 33954620, 39047813, 55782590, 78095626, 111565180, 128299957, 156191252, 195239065, 256599914, 390478130, 513199828, 641499785, 780956260, 898099699, 1282999570, 1796199398, 2565999140, 3592398796, 4490498495, 8980996990, 17961993980]

約数ペア:

[(1, 17961993980), (2, 8980996990), (4, 4490498495), (5, 3592398796), (7, 2565999140), (10, 1796199398), (14, 1282999570), (20, 898099699), (23, 780956260), (28, 641499785), (35, 513199828), (46, 390478130), (70, 256599914), (92, 195239065), (115, 156191252), (140, 128299957), (161, 111565180), (230, 78095626), (322, 55782590), (460, 39047813), (529, 33954620), (644, 27891295), (805, 22313036), (1058, 16977310), (1610, 11156518), (2116, 8488655), (2645, 6790924), (3220, 5578259), (3703, 4850660), (5290, 3395462), (7406, 2425330), (10580, 1697731), (14812, 1212665), (18515, 970132), (37030, 485066), (74060, 242533)]