18762380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{61}}^1$

素因数の和:116

約数の個数: 96

約数和(自身を含む): 49580160

約数和(自身を除く): 30817780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 61, 65, 70, 91, 122, 130, 140, 169, 182, 244, 260, 305, 338, 364, 427, 455, 610, 676, 793, 845, 854, 910, 1183, 1220, 1586, 1690, 1708, 1820, 2135, 2197, 2366, 3172, 3380, 3965, 4270, 4394, 4732, 5551, 5915, 7930, 8540, 8788, 10309, 10985, 11102, 11830, 15379, 15860, 20618, 21970, 22204, 23660, 27755, 30758, 41236, 43940, 51545, 55510, 61516, 72163, 76895, 103090, 111020, 134017, 144326, 153790, 206180, 268034, 288652, 307580, 360815, 536068, 670085, 721630, 938119, 1340170, 1443260, 1876238, 2680340, 3752476, 4690595, 9381190, 18762380]

約数ペア:

[(1, 18762380), (2, 9381190), (4, 4690595), (5, 3752476), (7, 2680340), (10, 1876238), (13, 1443260), (14, 1340170), (20, 938119), (26, 721630), (28, 670085), (35, 536068), (52, 360815), (61, 307580), (65, 288652), (70, 268034), (91, 206180), (122, 153790), (130, 144326), (140, 134017), (169, 111020), (182, 103090), (244, 76895), (260, 72163), (305, 61516), (338, 55510), (364, 51545), (427, 43940), (455, 41236), (610, 30758), (676, 27755), (793, 23660), (845, 22204), (854, 21970), (910, 20618), (1183, 15860), (1220, 15379), (1586, 11830), (1690, 11102), (1708, 10985), (1820, 10309), (2135, 8788), (2197, 8540), (2366, 7930), (3172, 5915), (3380, 5551), (3965, 4732), (4270, 4394)]