18743220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3359}}^1$

素因数の和:3405

約数の個数: 72

約数和(自身を含む): 58705920

約数和(自身を除く): 39962700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3359, 5580, 6718, 10077, 13436, 16795, 20154, 30231, 33590, 40308, 50385, 60462, 67180, 100770, 104129, 120924, 151155, 201540, 208258, 302310, 312387, 416516, 520645, 604620, 624774, 937161, 1041290, 1249548, 1561935, 1874322, 2082580, 3123870, 3748644, 4685805, 6247740, 9371610, 18743220]

約数ペア:

[(1, 18743220), (2, 9371610), (3, 6247740), (4, 4685805), (5, 3748644), (6, 3123870), (9, 2082580), (10, 1874322), (12, 1561935), (15, 1249548), (18, 1041290), (20, 937161), (30, 624774), (31, 604620), (36, 520645), (45, 416516), (60, 312387), (62, 302310), (90, 208258), (93, 201540), (124, 151155), (155, 120924), (180, 104129), (186, 100770), (279, 67180), (310, 60462), (372, 50385), (465, 40308), (558, 33590), (620, 30231), (930, 20154), (1116, 16795), (1395, 13436), (1860, 10077), (2790, 6718), (3359, 5580)]