18406960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1609}}^1$

素因数の和:1646

約数の個数: 80

約数和(自身を含む): 50309280

約数和(自身を除く): 31902320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 1609, 2288, 2860, 3218, 5720, 6436, 8045, 11440, 12872, 16090, 17699, 20917, 25744, 32180, 35398, 41834, 64360, 70796, 83668, 88495, 104585, 128720, 141592, 167336, 176990, 209170, 230087, 283184, 334672, 353980, 418340, 460174, 707960, 836680, 920348, 1150435, 1415920, 1673360, 1840696, 2300870, 3681392, 4601740, 9203480, 18406960]

約数ペア:

[(1, 18406960), (2, 9203480), (4, 4601740), (5, 3681392), (8, 2300870), (10, 1840696), (11, 1673360), (13, 1415920), (16, 1150435), (20, 920348), (22, 836680), (26, 707960), (40, 460174), (44, 418340), (52, 353980), (55, 334672), (65, 283184), (80, 230087), (88, 209170), (104, 176990), (110, 167336), (130, 141592), (143, 128720), (176, 104585), (208, 88495), (220, 83668), (260, 70796), (286, 64360), (440, 41834), (520, 35398), (572, 32180), (715, 25744), (880, 20917), (1040, 17699), (1144, 16090), (1430, 12872), (1609, 11440), (2288, 8045), (2860, 6436), (3218, 5720)]