18644920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3917}}^1$

素因数の和:3952

約数の個数: 64

約数和(自身を含む): 50777280

約数和(自身を除く): 32132360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 3917, 4760, 7834, 15668, 19585, 27419, 31336, 39170, 54838, 66589, 78340, 109676, 133178, 137095, 156680, 219352, 266356, 274190, 332945, 466123, 532712, 548380, 665890, 932246, 1096760, 1331780, 1864492, 2330615, 2663560, 3728984, 4661230, 9322460, 18644920]

約数ペア:

[(1, 18644920), (2, 9322460), (4, 4661230), (5, 3728984), (7, 2663560), (8, 2330615), (10, 1864492), (14, 1331780), (17, 1096760), (20, 932246), (28, 665890), (34, 548380), (35, 532712), (40, 466123), (56, 332945), (68, 274190), (70, 266356), (85, 219352), (119, 156680), (136, 137095), (140, 133178), (170, 109676), (238, 78340), (280, 66589), (340, 54838), (476, 39170), (595, 31336), (680, 27419), (952, 19585), (1190, 15668), (2380, 7834), (3917, 4760)]