18916650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:476

約数の個数: 72

約数和(自身を含む): 51377664

約数和(自身を除く): 32461014

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 127, 150, 225, 254, 331, 381, 450, 635, 662, 762, 993, 1143, 1270, 1655, 1905, 1986, 2286, 2979, 3175, 3310, 3810, 4965, 5715, 5958, 6350, 8275, 9525, 9930, 11430, 14895, 16550, 19050, 24825, 28575, 29790, 42037, 49650, 57150, 74475, 84074, 126111, 148950, 210185, 252222, 378333, 420370, 630555, 756666, 1050925, 1261110, 1891665, 2101850, 3152775, 3783330, 6305550, 9458325, 18916650]

約数ペア:

[(1, 18916650), (2, 9458325), (3, 6305550), (5, 3783330), (6, 3152775), (9, 2101850), (10, 1891665), (15, 1261110), (18, 1050925), (25, 756666), (30, 630555), (45, 420370), (50, 378333), (75, 252222), (90, 210185), (127, 148950), (150, 126111), (225, 84074), (254, 74475), (331, 57150), (381, 49650), (450, 42037), (635, 29790), (662, 28575), (762, 24825), (993, 19050), (1143, 16550), (1270, 14895), (1655, 11430), (1905, 9930), (1986, 9525), (2286, 8275), (2979, 6350), (3175, 5958), (3310, 5715), (3810, 4965)]