19981122016

素因数分解:

$2^5\times {\mathrm{269}}^1\times {\mathrm{307}}^1\times {\mathrm{7561}}^1$

素因数の和:8147

約数の個数: 48

約数和(自身を含む): 39617922960

約数和(自身を除く): 19636800944

約数列:

[1, 2, 4, 8, 16, 32, 269, 307, 538, 614, 1076, 1228, 2152, 2456, 4304, 4912, 7561, 8608, 9824, 15122, 30244, 60488, 82583, 120976, 165166, 241952, 330332, 660664, 1321328, 2033909, 2321227, 2642656, 4067818, 4642454, 8135636, 9284908, 16271272, 18569816, 32542544, 37139632, 65085088, 74279264, 624410063, 1248820126, 2497640252, 4995280504, 9990561008, 19981122016]

約数ペア:

[(1, 19981122016), (2, 9990561008), (4, 4995280504), (8, 2497640252), (16, 1248820126), (32, 624410063), (269, 74279264), (307, 65085088), (538, 37139632), (614, 32542544), (1076, 18569816), (1228, 16271272), (2152, 9284908), (2456, 8135636), (4304, 4642454), (4912, 4067818), (7561, 2642656), (8608, 2321227), (9824, 2033909), (15122, 1321328), (30244, 660664), (60488, 330332), (82583, 241952), (120976, 165166)]