18645180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 55641600

約数和(自身を除く): 36996420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 59, 60, 69, 92, 115, 118, 138, 177, 229, 230, 236, 276, 295, 345, 354, 458, 460, 590, 687, 690, 708, 885, 916, 1145, 1180, 1357, 1374, 1380, 1770, 2290, 2714, 2748, 3435, 3540, 4071, 4580, 5267, 5428, 6785, 6870, 8142, 10534, 13511, 13570, 13740, 15801, 16284, 20355, 21068, 26335, 27022, 27140, 31602, 40533, 40710, 52670, 54044, 63204, 67555, 79005, 81066, 81420, 105340, 135110, 158010, 162132, 202665, 270220, 310753, 316020, 405330, 621506, 810660, 932259, 1243012, 1553765, 1864518, 3107530, 3729036, 4661295, 6215060, 9322590, 18645180]

約数ペア:

[(1, 18645180), (2, 9322590), (3, 6215060), (4, 4661295), (5, 3729036), (6, 3107530), (10, 1864518), (12, 1553765), (15, 1243012), (20, 932259), (23, 810660), (30, 621506), (46, 405330), (59, 316020), (60, 310753), (69, 270220), (92, 202665), (115, 162132), (118, 158010), (138, 135110), (177, 105340), (229, 81420), (230, 81066), (236, 79005), (276, 67555), (295, 63204), (345, 54044), (354, 52670), (458, 40710), (460, 40533), (590, 31602), (687, 27140), (690, 27022), (708, 26335), (885, 21068), (916, 20355), (1145, 16284), (1180, 15801), (1357, 13740), (1374, 13570), (1380, 13511), (1770, 10534), (2290, 8142), (2714, 6870), (2748, 6785), (3435, 5428), (3540, 5267), (4071, 4580)]