19982910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21487}}^1$

素因数の和:21528

約数の個数: 32

約数和(自身を含む): 49508352

約数和(自身を除く): 29525442

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 21487, 42974, 64461, 107435, 128922, 214870, 322305, 644610, 666097, 1332194, 1998291, 3330485, 3996582, 6660970, 9991455, 19982910]

約数ペア:

[(1, 19982910), (2, 9991455), (3, 6660970), (5, 3996582), (6, 3330485), (10, 1998291), (15, 1332194), (30, 666097), (31, 644610), (62, 322305), (93, 214870), (155, 128922), (186, 107435), (310, 64461), (465, 42974), (930, 21487)]