18850790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 43732224

約数和(自身を除く): 24881434

約数列:

[1, 2, 5, 7, 10, 14, 17, 31, 34, 35, 49, 62, 70, 73, 85, 98, 119, 146, 155, 170, 217, 238, 245, 310, 365, 434, 490, 511, 527, 595, 730, 833, 1022, 1054, 1085, 1190, 1241, 1519, 1666, 2170, 2263, 2482, 2555, 2635, 3038, 3577, 3689, 4165, 4526, 5110, 5270, 6205, 7154, 7378, 7595, 8330, 8687, 11315, 12410, 15190, 15841, 17374, 17885, 18445, 22630, 25823, 31682, 35770, 36890, 38471, 43435, 51646, 60809, 76942, 79205, 86870, 110887, 121618, 129115, 158410, 192355, 221774, 258230, 269297, 304045, 384710, 538594, 554435, 608090, 1108870, 1346485, 1885079, 2692970, 3770158, 9425395, 18850790]

約数ペア:

[(1, 18850790), (2, 9425395), (5, 3770158), (7, 2692970), (10, 1885079), (14, 1346485), (17, 1108870), (31, 608090), (34, 554435), (35, 538594), (49, 384710), (62, 304045), (70, 269297), (73, 258230), (85, 221774), (98, 192355), (119, 158410), (146, 129115), (155, 121618), (170, 110887), (217, 86870), (238, 79205), (245, 76942), (310, 60809), (365, 51646), (434, 43435), (490, 38471), (511, 36890), (527, 35770), (595, 31682), (730, 25823), (833, 22630), (1022, 18445), (1054, 17885), (1085, 17374), (1190, 15841), (1241, 15190), (1519, 12410), (1666, 11315), (2170, 8687), (2263, 8330), (2482, 7595), (2555, 7378), (2635, 7154), (3038, 6205), (3577, 5270), (3689, 5110), (4165, 4526)]