19005286640

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{751}}^1\times {\mathrm{2309}}^1$

素因数の和:3210

約数の個数: 80

約数和(自身を含む): 44588396160

約数和(自身を除く): 25583109520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 751, 1096, 1370, 1502, 2192, 2309, 2740, 3004, 3755, 4618, 5480, 6008, 7510, 9236, 10960, 11545, 12016, 15020, 18472, 23090, 30040, 36944, 46180, 60080, 92360, 102887, 184720, 205774, 316333, 411548, 514435, 632666, 823096, 1028870, 1265332, 1581665, 1646192, 1734059, 2057740, 2530664, 3163330, 3468118, 4115480, 5061328, 6326660, 6936236, 8230960, 8670295, 12653320, 13872472, 17340590, 25306640, 27744944, 34681180, 69362360, 138724720, 237566083, 475132166, 950264332, 1187830415, 1900528664, 2375660830, 3801057328, 4751321660, 9502643320, 19005286640]

約数ペア:

[(1, 19005286640), (2, 9502643320), (4, 4751321660), (5, 3801057328), (8, 2375660830), (10, 1900528664), (16, 1187830415), (20, 950264332), (40, 475132166), (80, 237566083), (137, 138724720), (274, 69362360), (548, 34681180), (685, 27744944), (751, 25306640), (1096, 17340590), (1370, 13872472), (1502, 12653320), (2192, 8670295), (2309, 8230960), (2740, 6936236), (3004, 6326660), (3755, 5061328), (4618, 4115480), (5480, 3468118), (6008, 3163330), (7510, 2530664), (9236, 2057740), (10960, 1734059), (11545, 1646192), (12016, 1581665), (15020, 1265332), (18472, 1028870), (23090, 823096), (30040, 632666), (36944, 514435), (46180, 411548), (60080, 316333), (92360, 205774), (102887, 184720)]