18181690730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1\times {\mathrm{9631}}^1$

素因数の和:9975

約数の個数: 64

約数和(自身を含む): 37865318400

約数和(自身を除く): 19683627670

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 181, 298, 362, 745, 905, 1043, 1267, 1490, 1810, 2086, 2534, 5215, 6335, 9631, 10430, 12670, 19262, 26969, 48155, 53938, 67417, 96310, 134834, 134845, 188783, 269690, 337085, 377566, 674170, 943915, 1435019, 1743211, 1887830, 2870038, 3486422, 7175095, 8716055, 10045133, 12202477, 14350190, 17432110, 20090266, 24404954, 50225665, 61012385, 100451330, 122024770, 259738439, 519476878, 1298692195, 1818169073, 2597384390, 3636338146, 9090845365, 18181690730]

約数ペア:

[(1, 18181690730), (2, 9090845365), (5, 3636338146), (7, 2597384390), (10, 1818169073), (14, 1298692195), (35, 519476878), (70, 259738439), (149, 122024770), (181, 100451330), (298, 61012385), (362, 50225665), (745, 24404954), (905, 20090266), (1043, 17432110), (1267, 14350190), (1490, 12202477), (1810, 10045133), (2086, 8716055), (2534, 7175095), (5215, 3486422), (6335, 2870038), (9631, 1887830), (10430, 1743211), (12670, 1435019), (19262, 943915), (26969, 674170), (48155, 377566), (53938, 337085), (67417, 269690), (96310, 188783), (134834, 134845)]