19757040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 61710336

約数和(自身を除く): 41953296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 191, 240, 382, 431, 573, 764, 862, 955, 1146, 1293, 1528, 1724, 1910, 2155, 2292, 2586, 2865, 3056, 3448, 3820, 4310, 4584, 5172, 5730, 6465, 6896, 7640, 8620, 9168, 10344, 11460, 12930, 15280, 17240, 20688, 22920, 25860, 34480, 45840, 51720, 82321, 103440, 164642, 246963, 329284, 411605, 493926, 658568, 823210, 987852, 1234815, 1317136, 1646420, 1975704, 2469630, 3292840, 3951408, 4939260, 6585680, 9878520, 19757040]

約数ペア:

[(1, 19757040), (2, 9878520), (3, 6585680), (4, 4939260), (5, 3951408), (6, 3292840), (8, 2469630), (10, 1975704), (12, 1646420), (15, 1317136), (16, 1234815), (20, 987852), (24, 823210), (30, 658568), (40, 493926), (48, 411605), (60, 329284), (80, 246963), (120, 164642), (191, 103440), (240, 82321), (382, 51720), (431, 45840), (573, 34480), (764, 25860), (862, 22920), (955, 20688), (1146, 17240), (1293, 15280), (1528, 12930), (1724, 11460), (1910, 10344), (2155, 9168), (2292, 8620), (2586, 7640), (2865, 6896), (3056, 6465), (3448, 5730), (3820, 5172), (4310, 4584)]