18130980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{881}}^1$

素因数の和:914

約数の個数: 96

約数和(自身を含む): 59270400

約数和(自身を除く): 41139420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 881, 980, 1029, 1372, 1470, 1715, 1762, 2058, 2643, 2940, 3430, 3524, 4116, 4405, 5145, 5286, 6167, 6860, 8810, 10290, 10572, 12334, 13215, 17620, 18501, 20580, 24668, 26430, 30835, 37002, 43169, 52860, 61670, 74004, 86338, 92505, 123340, 129507, 172676, 185010, 215845, 259014, 302183, 370020, 431690, 518028, 604366, 647535, 863380, 906549, 1208732, 1295070, 1510915, 1813098, 2590140, 3021830, 3626196, 4532745, 6043660, 9065490, 18130980]

約数ペア:

[(1, 18130980), (2, 9065490), (3, 6043660), (4, 4532745), (5, 3626196), (6, 3021830), (7, 2590140), (10, 1813098), (12, 1510915), (14, 1295070), (15, 1208732), (20, 906549), (21, 863380), (28, 647535), (30, 604366), (35, 518028), (42, 431690), (49, 370020), (60, 302183), (70, 259014), (84, 215845), (98, 185010), (105, 172676), (140, 129507), (147, 123340), (196, 92505), (210, 86338), (245, 74004), (294, 61670), (343, 52860), (420, 43169), (490, 37002), (588, 30835), (686, 26430), (735, 24668), (881, 20580), (980, 18501), (1029, 17620), (1372, 13215), (1470, 12334), (1715, 10572), (1762, 10290), (2058, 8810), (2643, 6860), (2940, 6167), (3430, 5286), (3524, 5145), (4116, 4405)]