18808630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 19511498

約数列:

[1, 2, 5, 10, 17, 31, 34, 43, 62, 83, 85, 86, 155, 166, 170, 215, 310, 415, 430, 527, 731, 830, 1054, 1333, 1411, 1462, 2573, 2635, 2666, 2822, 3569, 3655, 5146, 5270, 6665, 7055, 7138, 7310, 12865, 13330, 14110, 17845, 22661, 25730, 35690, 43741, 45322, 60673, 87482, 110639, 113305, 121346, 218705, 221278, 226610, 303365, 437410, 553195, 606730, 1106390, 1880863, 3761726, 9404315, 18808630]

約数ペア:

[(1, 18808630), (2, 9404315), (5, 3761726), (10, 1880863), (17, 1106390), (31, 606730), (34, 553195), (43, 437410), (62, 303365), (83, 226610), (85, 221278), (86, 218705), (155, 121346), (166, 113305), (170, 110639), (215, 87482), (310, 60673), (415, 45322), (430, 43741), (527, 35690), (731, 25730), (830, 22661), (1054, 17845), (1333, 14110), (1411, 13330), (1462, 12865), (2573, 7310), (2635, 7138), (2666, 7055), (2822, 6665), (3569, 5270), (3655, 5146)]