18936241840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1471}}^1\times {\mathrm{4349}}^1$

素因数の和:5870

約数の個数: 80

約数和(自身を含む): 45257817600

約数和(自身を除く): 26321575760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1471, 1480, 2942, 2960, 4349, 5884, 7355, 8698, 11768, 14710, 17396, 21745, 23536, 29420, 34792, 43490, 54427, 58840, 69584, 86980, 108854, 117680, 160913, 173960, 217708, 272135, 321826, 347920, 435416, 544270, 643652, 804565, 870832, 1088540, 1287304, 1609130, 2177080, 2574608, 3218260, 4354160, 6397379, 6436520, 12794758, 12873040, 25589516, 31986895, 51179032, 63973790, 102358064, 127947580, 236703023, 255895160, 473406046, 511790320, 946812092, 1183515115, 1893624184, 2367030230, 3787248368, 4734060460, 9468120920, 18936241840]

約数ペア:

[(1, 18936241840), (2, 9468120920), (4, 4734060460), (5, 3787248368), (8, 2367030230), (10, 1893624184), (16, 1183515115), (20, 946812092), (37, 511790320), (40, 473406046), (74, 255895160), (80, 236703023), (148, 127947580), (185, 102358064), (296, 63973790), (370, 51179032), (592, 31986895), (740, 25589516), (1471, 12873040), (1480, 12794758), (2942, 6436520), (2960, 6397379), (4349, 4354160), (5884, 3218260), (7355, 2574608), (8698, 2177080), (11768, 1609130), (14710, 1287304), (17396, 1088540), (21745, 870832), (23536, 804565), (29420, 643652), (34792, 544270), (43490, 435416), (54427, 347920), (58840, 321826), (69584, 272135), (86980, 217708), (108854, 173960), (117680, 160913)]