19161720496

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{489019}}^1$

素因数の和:489137

約数の個数: 40

約数和(自身を含む): 38808627200

約数和(自身を除く): 19646906704

約数列:

[1, 2, 4, 8, 16, 31, 62, 79, 124, 158, 248, 316, 496, 632, 1264, 2449, 4898, 9796, 19592, 39184, 489019, 978038, 1956076, 3912152, 7824304, 15159589, 30319178, 38632501, 60638356, 77265002, 121276712, 154530004, 242553424, 309060008, 618120016, 1197607531, 2395215062, 4790430124, 9580860248, 19161720496]

約数ペア:

[(1, 19161720496), (2, 9580860248), (4, 4790430124), (8, 2395215062), (16, 1197607531), (31, 618120016), (62, 309060008), (79, 242553424), (124, 154530004), (158, 121276712), (248, 77265002), (316, 60638356), (496, 38632501), (632, 30319178), (1264, 15159589), (2449, 7824304), (4898, 3912152), (9796, 1956076), (19592, 978038), (39184, 489019)]