17960860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 39463200

約数和(自身を除く): 21502340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 173, 179, 290, 346, 358, 580, 692, 716, 865, 895, 1730, 1790, 3460, 3580, 5017, 5191, 10034, 10382, 20068, 20764, 25085, 25955, 30967, 50170, 51910, 61934, 100340, 103820, 123868, 154835, 309670, 619340, 898043, 1796086, 3592172, 4490215, 8980430, 17960860]

約数ペア:

[(1, 17960860), (2, 8980430), (4, 4490215), (5, 3592172), (10, 1796086), (20, 898043), (29, 619340), (58, 309670), (116, 154835), (145, 123868), (173, 103820), (179, 100340), (290, 61934), (346, 51910), (358, 50170), (580, 30967), (692, 25955), (716, 25085), (865, 20764), (895, 20068), (1730, 10382), (1790, 10034), (3460, 5191), (3580, 5017)]