19197488

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{433}}^1$

素因数の和:621

約数の個数: 40

約数和(自身を含む): 39716208

約数和(自身を除く): 20518720

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 163, 272, 326, 433, 652, 866, 1304, 1732, 2608, 2771, 3464, 5542, 6928, 7361, 11084, 14722, 22168, 29444, 44336, 58888, 70579, 117776, 141158, 282316, 564632, 1129264, 1199843, 2399686, 4799372, 9598744, 19197488]

約数ペア:

[(1, 19197488), (2, 9598744), (4, 4799372), (8, 2399686), (16, 1199843), (17, 1129264), (34, 564632), (68, 282316), (136, 141158), (163, 117776), (272, 70579), (326, 58888), (433, 44336), (652, 29444), (866, 22168), (1304, 14722), (1732, 11084), (2608, 7361), (2771, 6928), (3464, 5542)]