18123560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{383}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 50595840

約数和(自身を除く): 32472280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 169, 182, 260, 280, 338, 364, 383, 455, 520, 676, 728, 766, 845, 910, 1183, 1352, 1532, 1690, 1820, 1915, 2366, 2681, 3064, 3380, 3640, 3830, 4732, 4979, 5362, 5915, 6760, 7660, 9464, 9958, 10724, 11830, 13405, 15320, 19916, 21448, 23660, 24895, 26810, 34853, 39832, 47320, 49790, 53620, 64727, 69706, 99580, 107240, 129454, 139412, 174265, 199160, 258908, 278824, 323635, 348530, 453089, 517816, 647270, 697060, 906178, 1294540, 1394120, 1812356, 2265445, 2589080, 3624712, 4530890, 9061780, 18123560]

約数ペア:

[(1, 18123560), (2, 9061780), (4, 4530890), (5, 3624712), (7, 2589080), (8, 2265445), (10, 1812356), (13, 1394120), (14, 1294540), (20, 906178), (26, 697060), (28, 647270), (35, 517816), (40, 453089), (52, 348530), (56, 323635), (65, 278824), (70, 258908), (91, 199160), (104, 174265), (130, 139412), (140, 129454), (169, 107240), (182, 99580), (260, 69706), (280, 64727), (338, 53620), (364, 49790), (383, 47320), (455, 39832), (520, 34853), (676, 26810), (728, 24895), (766, 23660), (845, 21448), (910, 19916), (1183, 15320), (1352, 13405), (1532, 11830), (1690, 10724), (1820, 9958), (1915, 9464), (2366, 7660), (2681, 6760), (3064, 5915), (3380, 5362), (3640, 4979), (3830, 4732)]