18193488

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{19949}}^1$

素因数の和:19979

約数の個数: 40

約数和(自身を含む): 49476000

約数和(自身を除く): 31282512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 19949, 39898, 59847, 79796, 119694, 159592, 239388, 319184, 379031, 478776, 758062, 957552, 1137093, 1516124, 2274186, 3032248, 4548372, 6064496, 9096744, 18193488]

約数ペア:

[(1, 18193488), (2, 9096744), (3, 6064496), (4, 4548372), (6, 3032248), (8, 2274186), (12, 1516124), (16, 1137093), (19, 957552), (24, 758062), (38, 478776), (48, 379031), (57, 319184), (76, 239388), (114, 159592), (152, 119694), (228, 79796), (304, 59847), (456, 39898), (912, 19949)]