18185439172

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^2\times {\mathrm{317}}^1$

素因数の和:677

約数の個数: 72

約数和(自身を含む): 34947870552

約数和(自身を除く): 16762431380

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 151, 302, 317, 604, 629, 634, 1258, 1268, 2516, 2567, 5134, 5389, 5587, 10268, 10778, 11174, 11729, 21556, 22348, 22801, 23458, 45602, 46916, 47867, 91204, 94979, 95734, 189958, 191468, 199393, 379916, 387617, 398786, 775234, 797572, 813739, 843637, 1550468, 1627478, 1687274, 1771079, 3254956, 3374548, 3542158, 7084316, 7227917, 14341829, 14455834, 28683658, 28911668, 30108343, 57367316, 60216686, 120433372, 122874589, 245749178, 267432929, 491498356, 534865858, 1069731716, 4546359793, 9092719586, 18185439172]

約数ペア:

[(1, 18185439172), (2, 9092719586), (4, 4546359793), (17, 1069731716), (34, 534865858), (37, 491498356), (68, 267432929), (74, 245749178), (148, 122874589), (151, 120433372), (302, 60216686), (317, 57367316), (604, 30108343), (629, 28911668), (634, 28683658), (1258, 14455834), (1268, 14341829), (2516, 7227917), (2567, 7084316), (5134, 3542158), (5389, 3374548), (5587, 3254956), (10268, 1771079), (10778, 1687274), (11174, 1627478), (11729, 1550468), (21556, 843637), (22348, 813739), (22801, 797572), (23458, 775234), (45602, 398786), (46916, 387617), (47867, 379916), (91204, 199393), (94979, 191468), (95734, 189958)]