19466020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8179}}^1$

素因数の和:8212

約数の個数: 48

約数和(自身を含む): 49472640

約数和(自身を除く): 30006620

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8179, 16358, 32716, 40895, 57253, 81790, 114506, 139043, 163580, 229012, 278086, 286265, 556172, 572530, 695215, 973301, 1145060, 1390430, 1946602, 2780860, 3893204, 4866505, 9733010, 19466020]

約数ペア:

[(1, 19466020), (2, 9733010), (4, 4866505), (5, 3893204), (7, 2780860), (10, 1946602), (14, 1390430), (17, 1145060), (20, 973301), (28, 695215), (34, 572530), (35, 556172), (68, 286265), (70, 278086), (85, 229012), (119, 163580), (140, 139043), (170, 114506), (238, 81790), (340, 57253), (476, 40895), (595, 32716), (1190, 16358), (2380, 8179)]