18598860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:560

約数の個数: 144

約数和(自身を含む): 66830400

約数和(自身を除く): 48231540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 509, 522, 580, 609, 630, 812, 870, 1015, 1018, 1044, 1218, 1260, 1305, 1527, 1740, 1827, 2030, 2036, 2436, 2545, 2610, 3045, 3054, 3563, 3654, 4060, 4581, 5090, 5220, 6090, 6108, 7126, 7308, 7635, 9135, 9162, 10180, 10689, 12180, 14252, 14761, 15270, 17815, 18270, 18324, 21378, 22905, 29522, 30540, 32067, 35630, 36540, 42756, 44283, 45810, 53445, 59044, 64134, 71260, 73805, 88566, 91620, 103327, 106890, 128268, 132849, 147610, 160335, 177132, 206654, 213780, 221415, 265698, 295220, 309981, 320670, 413308, 442830, 516635, 531396, 619962, 641340, 664245, 885660, 929943, 1033270, 1239924, 1328490, 1549905, 1859886, 2066540, 2656980, 3099810, 3719772, 4649715, 6199620, 9299430, 18598860]

約数ペア:

[(1, 18598860), (2, 9299430), (3, 6199620), (4, 4649715), (5, 3719772), (6, 3099810), (7, 2656980), (9, 2066540), (10, 1859886), (12, 1549905), (14, 1328490), (15, 1239924), (18, 1033270), (20, 929943), (21, 885660), (28, 664245), (29, 641340), (30, 619962), (35, 531396), (36, 516635), (42, 442830), (45, 413308), (58, 320670), (60, 309981), (63, 295220), (70, 265698), (84, 221415), (87, 213780), (90, 206654), (105, 177132), (116, 160335), (126, 147610), (140, 132849), (145, 128268), (174, 106890), (180, 103327), (203, 91620), (210, 88566), (252, 73805), (261, 71260), (290, 64134), (315, 59044), (348, 53445), (406, 45810), (420, 44283), (435, 42756), (509, 36540), (522, 35630), (580, 32067), (609, 30540), (630, 29522), (812, 22905), (870, 21378), (1015, 18324), (1018, 18270), (1044, 17815), (1218, 15270), (1260, 14761), (1305, 14252), (1527, 12180), (1740, 10689), (1827, 10180), (2030, 9162), (2036, 9135), (2436, 7635), (2545, 7308), (2610, 7126), (3045, 6108), (3054, 6090), (3563, 5220), (3654, 5090), (4060, 4581)]