19906650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1427}}^1$

素因数の和:1476

約数の個数: 72

約数和(自身を含む): 55246464

約数和(自身を除く): 35339814

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 150, 155, 186, 225, 279, 310, 450, 465, 558, 775, 930, 1395, 1427, 1550, 2325, 2790, 2854, 4281, 4650, 6975, 7135, 8562, 12843, 13950, 14270, 21405, 25686, 35675, 42810, 44237, 64215, 71350, 88474, 107025, 128430, 132711, 214050, 221185, 265422, 321075, 398133, 442370, 642150, 663555, 796266, 1105925, 1327110, 1990665, 2211850, 3317775, 3981330, 6635550, 9953325, 19906650]

約数ペア:

[(1, 19906650), (2, 9953325), (3, 6635550), (5, 3981330), (6, 3317775), (9, 2211850), (10, 1990665), (15, 1327110), (18, 1105925), (25, 796266), (30, 663555), (31, 642150), (45, 442370), (50, 398133), (62, 321075), (75, 265422), (90, 221185), (93, 214050), (150, 132711), (155, 128430), (186, 107025), (225, 88474), (279, 71350), (310, 64215), (450, 44237), (465, 42810), (558, 35675), (775, 25686), (930, 21405), (1395, 14270), (1427, 13950), (1550, 12843), (2325, 8562), (2790, 7135), (2854, 6975), (4281, 4650)]