17951180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 42057792

約数和(自身を除く): 24106612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 113, 130, 169, 188, 226, 235, 260, 338, 452, 470, 565, 611, 676, 845, 940, 1130, 1222, 1469, 1690, 2260, 2444, 2938, 3055, 3380, 5311, 5876, 6110, 7345, 7943, 10622, 12220, 14690, 15886, 19097, 21244, 26555, 29380, 31772, 38194, 39715, 53110, 69043, 76388, 79430, 95485, 106220, 138086, 158860, 190970, 276172, 345215, 381940, 690430, 897559, 1380860, 1795118, 3590236, 4487795, 8975590, 17951180]

約数ペア:

[(1, 17951180), (2, 8975590), (4, 4487795), (5, 3590236), (10, 1795118), (13, 1380860), (20, 897559), (26, 690430), (47, 381940), (52, 345215), (65, 276172), (94, 190970), (113, 158860), (130, 138086), (169, 106220), (188, 95485), (226, 79430), (235, 76388), (260, 69043), (338, 53110), (452, 39715), (470, 38194), (565, 31772), (611, 29380), (676, 26555), (845, 21244), (940, 19097), (1130, 15886), (1222, 14690), (1469, 12220), (1690, 10622), (2260, 7943), (2444, 7345), (2938, 6110), (3055, 5876), (3380, 5311)]