18038460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 55770624

約数和(自身を除く): 37732164

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 151, 165, 181, 220, 302, 330, 362, 453, 543, 604, 660, 724, 755, 905, 906, 1086, 1510, 1661, 1810, 1812, 1991, 2172, 2265, 2715, 3020, 3322, 3620, 3982, 4530, 4983, 5430, 5973, 6644, 7964, 8305, 9060, 9955, 9966, 10860, 11946, 16610, 19910, 19932, 23892, 24915, 27331, 29865, 33220, 39820, 49830, 54662, 59730, 81993, 99660, 109324, 119460, 136655, 163986, 273310, 300641, 327972, 409965, 546620, 601282, 819930, 901923, 1202564, 1503205, 1639860, 1803846, 3006410, 3607692, 4509615, 6012820, 9019230, 18038460]

約数ペア:

[(1, 18038460), (2, 9019230), (3, 6012820), (4, 4509615), (5, 3607692), (6, 3006410), (10, 1803846), (11, 1639860), (12, 1503205), (15, 1202564), (20, 901923), (22, 819930), (30, 601282), (33, 546620), (44, 409965), (55, 327972), (60, 300641), (66, 273310), (110, 163986), (132, 136655), (151, 119460), (165, 109324), (181, 99660), (220, 81993), (302, 59730), (330, 54662), (362, 49830), (453, 39820), (543, 33220), (604, 29865), (660, 27331), (724, 24915), (755, 23892), (905, 19932), (906, 19910), (1086, 16610), (1510, 11946), (1661, 10860), (1810, 9966), (1812, 9955), (1991, 9060), (2172, 8305), (2265, 7964), (2715, 6644), (3020, 5973), (3322, 5430), (3620, 4983), (3982, 4530)]