18298720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:344

約数の個数: 96

約数和(自身を含む): 48607776

約数和(自身を除く): 30309056

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 74, 80, 88, 110, 148, 160, 176, 185, 220, 281, 296, 352, 370, 407, 440, 562, 592, 740, 814, 880, 1124, 1184, 1405, 1480, 1628, 1760, 2035, 2248, 2810, 2960, 3091, 3256, 4070, 4496, 5620, 5920, 6182, 6512, 8140, 8992, 10397, 11240, 12364, 13024, 15455, 16280, 20794, 22480, 24728, 30910, 32560, 41588, 44960, 49456, 51985, 61820, 65120, 83176, 98912, 103970, 114367, 123640, 166352, 207940, 228734, 247280, 332704, 415880, 457468, 494560, 571835, 831760, 914936, 1143670, 1663520, 1829872, 2287340, 3659744, 4574680, 9149360, 18298720]

約数ペア:

[(1, 18298720), (2, 9149360), (4, 4574680), (5, 3659744), (8, 2287340), (10, 1829872), (11, 1663520), (16, 1143670), (20, 914936), (22, 831760), (32, 571835), (37, 494560), (40, 457468), (44, 415880), (55, 332704), (74, 247280), (80, 228734), (88, 207940), (110, 166352), (148, 123640), (160, 114367), (176, 103970), (185, 98912), (220, 83176), (281, 65120), (296, 61820), (352, 51985), (370, 49456), (407, 44960), (440, 41588), (562, 32560), (592, 30910), (740, 24728), (814, 22480), (880, 20794), (1124, 16280), (1184, 15455), (1405, 13024), (1480, 12364), (1628, 11240), (1760, 10397), (2035, 8992), (2248, 8140), (2810, 6512), (2960, 6182), (3091, 5920), (3256, 5620), (4070, 4496)]