18591760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:632

約数の個数: 80

約数和(自身を含む): 48514752

約数和(自身を除く): 29922992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 571, 592, 740, 814, 880, 1142, 1480, 1628, 2035, 2284, 2855, 2960, 3256, 4070, 4568, 5710, 6281, 6512, 8140, 9136, 11420, 12562, 16280, 21127, 22840, 25124, 31405, 32560, 42254, 45680, 50248, 62810, 84508, 100496, 105635, 125620, 169016, 211270, 232397, 251240, 338032, 422540, 464794, 502480, 845080, 929588, 1161985, 1690160, 1859176, 2323970, 3718352, 4647940, 9295880, 18591760]

約数ペア:

[(1, 18591760), (2, 9295880), (4, 4647940), (5, 3718352), (8, 2323970), (10, 1859176), (11, 1690160), (16, 1161985), (20, 929588), (22, 845080), (37, 502480), (40, 464794), (44, 422540), (55, 338032), (74, 251240), (80, 232397), (88, 211270), (110, 169016), (148, 125620), (176, 105635), (185, 100496), (220, 84508), (296, 62810), (370, 50248), (407, 45680), (440, 42254), (571, 32560), (592, 31405), (740, 25124), (814, 22840), (880, 21127), (1142, 16280), (1480, 12562), (1628, 11420), (2035, 9136), (2284, 8140), (2855, 6512), (2960, 6281), (3256, 5710), (4070, 4568)]