17888880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3923}}^1$

素因数の和:3958

約数の個数: 80

約数和(自身を含む): 58389120

約数和(自身を除く): 40500240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 3923, 4560, 7846, 11769, 15692, 19615, 23538, 31384, 39230, 47076, 58845, 62768, 74537, 78460, 94152, 117690, 149074, 156920, 188304, 223611, 235380, 298148, 313840, 372685, 447222, 470760, 596296, 745370, 894444, 941520, 1118055, 1192592, 1490740, 1788888, 2236110, 2981480, 3577776, 4472220, 5962960, 8944440, 17888880]

約数ペア:

[(1, 17888880), (2, 8944440), (3, 5962960), (4, 4472220), (5, 3577776), (6, 2981480), (8, 2236110), (10, 1788888), (12, 1490740), (15, 1192592), (16, 1118055), (19, 941520), (20, 894444), (24, 745370), (30, 596296), (38, 470760), (40, 447222), (48, 372685), (57, 313840), (60, 298148), (76, 235380), (80, 223611), (95, 188304), (114, 156920), (120, 149074), (152, 117690), (190, 94152), (228, 78460), (240, 74537), (285, 62768), (304, 58845), (380, 47076), (456, 39230), (570, 31384), (760, 23538), (912, 19615), (1140, 15692), (1520, 11769), (2280, 7846), (3923, 4560)]