17885840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:121

約数の個数: 120

約数和(自身を含む): 51276480

約数和(自身を除く): 33390640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 41, 56, 70, 76, 80, 82, 95, 112, 133, 140, 152, 164, 190, 205, 266, 280, 287, 304, 328, 380, 410, 532, 560, 574, 656, 665, 760, 779, 820, 1064, 1148, 1330, 1435, 1520, 1558, 1640, 1681, 2128, 2296, 2660, 2870, 3116, 3280, 3362, 3895, 4592, 5320, 5453, 5740, 6232, 6724, 7790, 8405, 10640, 10906, 11480, 11767, 12464, 13448, 15580, 16810, 21812, 22960, 23534, 26896, 27265, 31160, 31939, 33620, 43624, 47068, 54530, 58835, 62320, 63878, 67240, 87248, 94136, 109060, 117670, 127756, 134480, 159695, 188272, 218120, 223573, 235340, 255512, 319390, 436240, 447146, 470680, 511024, 638780, 894292, 941360, 1117865, 1277560, 1788584, 2235730, 2555120, 3577168, 4471460, 8942920, 17885840]

約数ペア:

[(1, 17885840), (2, 8942920), (4, 4471460), (5, 3577168), (7, 2555120), (8, 2235730), (10, 1788584), (14, 1277560), (16, 1117865), (19, 941360), (20, 894292), (28, 638780), (35, 511024), (38, 470680), (40, 447146), (41, 436240), (56, 319390), (70, 255512), (76, 235340), (80, 223573), (82, 218120), (95, 188272), (112, 159695), (133, 134480), (140, 127756), (152, 117670), (164, 109060), (190, 94136), (205, 87248), (266, 67240), (280, 63878), (287, 62320), (304, 58835), (328, 54530), (380, 47068), (410, 43624), (532, 33620), (560, 31939), (574, 31160), (656, 27265), (665, 26896), (760, 23534), (779, 22960), (820, 21812), (1064, 16810), (1148, 15580), (1330, 13448), (1435, 12464), (1520, 11767), (1558, 11480), (1640, 10906), (1681, 10640), (2128, 8405), (2296, 7790), (2660, 6724), (2870, 6232), (3116, 5740), (3280, 5453), (3362, 5320), (3895, 4592)]