18844366928

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{199049}}^1$

素因数の和:199215

約数の個数: 40

約数和(自身を含む): 37492261800

約数和(自身を除く): 18647894872

約数列:

[1, 2, 4, 8, 16, 61, 97, 122, 194, 244, 388, 488, 776, 976, 1552, 5917, 11834, 23668, 47336, 94672, 199049, 398098, 796196, 1592392, 3184784, 12141989, 19307753, 24283978, 38615506, 48567956, 77231012, 97135912, 154462024, 194271824, 308924048, 1177772933, 2355545866, 4711091732, 9422183464, 18844366928]

約数ペア:

[(1, 18844366928), (2, 9422183464), (4, 4711091732), (8, 2355545866), (16, 1177772933), (61, 308924048), (97, 194271824), (122, 154462024), (194, 97135912), (244, 77231012), (388, 48567956), (488, 38615506), (776, 24283978), (976, 19307753), (1552, 12141989), (5917, 3184784), (11834, 1592392), (23668, 796196), (47336, 398098), (94672, 199049)]