18668510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1281

約数の個数: 48

約数和(自身を含む): 40383360

約数和(自身を除く): 21714850

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 434, 490, 1085, 1229, 1519, 2170, 2458, 3038, 6145, 7595, 8603, 12290, 15190, 17206, 38099, 43015, 60221, 76198, 86030, 120442, 190495, 266693, 301105, 380990, 533386, 602210, 1333465, 1866851, 2666930, 3733702, 9334255, 18668510]

約数ペア:

[(1, 18668510), (2, 9334255), (5, 3733702), (7, 2666930), (10, 1866851), (14, 1333465), (31, 602210), (35, 533386), (49, 380990), (62, 301105), (70, 266693), (98, 190495), (155, 120442), (217, 86030), (245, 76198), (310, 60221), (434, 43015), (490, 38099), (1085, 17206), (1229, 15190), (1519, 12290), (2170, 8603), (2458, 7595), (3038, 6145)]