18016960

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 112

約数和(自身を含む): 47621952

約数和(自身を除く): 29604992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 71, 80, 104, 122, 130, 142, 160, 208, 244, 260, 284, 305, 320, 355, 416, 488, 520, 568, 610, 710, 793, 832, 923, 976, 1040, 1136, 1220, 1420, 1586, 1846, 1952, 2080, 2272, 2440, 2840, 3172, 3692, 3904, 3965, 4160, 4331, 4544, 4615, 4880, 5680, 6344, 7384, 7930, 8662, 9230, 9760, 11360, 12688, 14768, 15860, 17324, 18460, 19520, 21655, 22720, 25376, 29536, 31720, 34648, 36920, 43310, 50752, 56303, 59072, 63440, 69296, 73840, 86620, 112606, 126880, 138592, 147680, 173240, 225212, 253760, 277184, 281515, 295360, 346480, 450424, 563030, 692960, 900848, 1126060, 1385920, 1801696, 2252120, 3603392, 4504240, 9008480, 18016960]

約数ペア:

[(1, 18016960), (2, 9008480), (4, 4504240), (5, 3603392), (8, 2252120), (10, 1801696), (13, 1385920), (16, 1126060), (20, 900848), (26, 692960), (32, 563030), (40, 450424), (52, 346480), (61, 295360), (64, 281515), (65, 277184), (71, 253760), (80, 225212), (104, 173240), (122, 147680), (130, 138592), (142, 126880), (160, 112606), (208, 86620), (244, 73840), (260, 69296), (284, 63440), (305, 59072), (320, 56303), (355, 50752), (416, 43310), (488, 36920), (520, 34648), (568, 31720), (610, 29536), (710, 25376), (793, 22720), (832, 21655), (923, 19520), (976, 18460), (1040, 17324), (1136, 15860), (1220, 14768), (1420, 12688), (1586, 11360), (1846, 9760), (1952, 9230), (2080, 8662), (2272, 7930), (2440, 7384), (2840, 6344), (3172, 5680), (3692, 4880), (3904, 4615), (3965, 4544), (4160, 4331)]