19620176

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1361}}^1$

素因数の和:1439

約数の個数: 40

約数和(自身を含む): 41039784

約数和(自身を除く): 21419608

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 136, 212, 272, 424, 848, 901, 1361, 1802, 2722, 3604, 5444, 7208, 10888, 14416, 21776, 23137, 46274, 72133, 92548, 144266, 185096, 288532, 370192, 577064, 1154128, 1226261, 2452522, 4905044, 9810088, 19620176]

約数ペア:

[(1, 19620176), (2, 9810088), (4, 4905044), (8, 2452522), (16, 1226261), (17, 1154128), (34, 577064), (53, 370192), (68, 288532), (106, 185096), (136, 144266), (212, 92548), (272, 72133), (424, 46274), (848, 23137), (901, 21776), (1361, 14416), (1802, 10888), (2722, 7208), (3604, 5444)]