19901799264

素因数分解:

$2^5\times 3^1\times {\mathrm{163}}^1\times {\mathrm{1271843}}^1$

素因数の和:1272019

約数の個数: 48

約数和(自身を含む): 52562768832

約数和(自身を除く): 32660969568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 163, 326, 489, 652, 978, 1304, 1956, 2608, 3912, 5216, 7824, 15648, 1271843, 2543686, 3815529, 5087372, 7631058, 10174744, 15262116, 20349488, 30524232, 40698976, 61048464, 122096928, 207310409, 414620818, 621931227, 829241636, 1243862454, 1658483272, 2487724908, 3316966544, 4975449816, 6633933088, 9950899632, 19901799264]

約数ペア:

[(1, 19901799264), (2, 9950899632), (3, 6633933088), (4, 4975449816), (6, 3316966544), (8, 2487724908), (12, 1658483272), (16, 1243862454), (24, 829241636), (32, 621931227), (48, 414620818), (96, 207310409), (163, 122096928), (326, 61048464), (489, 40698976), (652, 30524232), (978, 20349488), (1304, 15262116), (1956, 10174744), (2608, 7631058), (3912, 5087372), (5216, 3815529), (7824, 2543686), (15648, 1271843)]