17905980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 53625600

約数和(自身を除く): 35719620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 113, 114, 139, 190, 226, 228, 278, 285, 339, 380, 417, 452, 556, 565, 570, 678, 695, 834, 1130, 1140, 1356, 1390, 1668, 1695, 2085, 2147, 2260, 2641, 2780, 3390, 4170, 4294, 5282, 6441, 6780, 7923, 8340, 8588, 10564, 10735, 12882, 13205, 15707, 15846, 21470, 25764, 26410, 31414, 31692, 32205, 39615, 42940, 47121, 52820, 62828, 64410, 78535, 79230, 94242, 128820, 157070, 158460, 188484, 235605, 298433, 314140, 471210, 596866, 895299, 942420, 1193732, 1492165, 1790598, 2984330, 3581196, 4476495, 5968660, 8952990, 17905980]

約数ペア:

[(1, 17905980), (2, 8952990), (3, 5968660), (4, 4476495), (5, 3581196), (6, 2984330), (10, 1790598), (12, 1492165), (15, 1193732), (19, 942420), (20, 895299), (30, 596866), (38, 471210), (57, 314140), (60, 298433), (76, 235605), (95, 188484), (113, 158460), (114, 157070), (139, 128820), (190, 94242), (226, 79230), (228, 78535), (278, 64410), (285, 62828), (339, 52820), (380, 47121), (417, 42940), (452, 39615), (556, 32205), (565, 31692), (570, 31414), (678, 26410), (695, 25764), (834, 21470), (1130, 15846), (1140, 15707), (1356, 13205), (1390, 12882), (1668, 10735), (1695, 10564), (2085, 8588), (2147, 8340), (2260, 7923), (2641, 6780), (2780, 6441), (3390, 5282), (4170, 4294)]