18156390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2789}}^1$

素因数の和:2837

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 33268890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 2789, 3255, 5578, 6510, 8367, 13945, 16734, 19523, 27890, 39046, 41835, 58569, 83670, 86459, 97615, 117138, 172918, 195230, 259377, 292845, 432295, 518754, 585690, 605213, 864590, 1210426, 1296885, 1815639, 2593770, 3026065, 3631278, 6052130, 9078195, 18156390]

約数ペア:

[(1, 18156390), (2, 9078195), (3, 6052130), (5, 3631278), (6, 3026065), (7, 2593770), (10, 1815639), (14, 1296885), (15, 1210426), (21, 864590), (30, 605213), (31, 585690), (35, 518754), (42, 432295), (62, 292845), (70, 259377), (93, 195230), (105, 172918), (155, 117138), (186, 97615), (210, 86459), (217, 83670), (310, 58569), (434, 41835), (465, 39046), (651, 27890), (930, 19523), (1085, 16734), (1302, 13945), (2170, 8367), (2789, 6510), (3255, 5578)]