19650568520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44660383}}^1$

素因数の和:44660405

約数の個数: 32

約数和(自身を含む): 48233214720

約数和(自身を除く): 28582646200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44660383, 89320766, 178641532, 223301915, 357283064, 446603830, 491264213, 893207660, 982528426, 1786415320, 1965056852, 2456321065, 3930113704, 4912642130, 9825284260, 19650568520]

約数ペア:

[(1, 19650568520), (2, 9825284260), (4, 4912642130), (5, 3930113704), (8, 2456321065), (10, 1965056852), (11, 1786415320), (20, 982528426), (22, 893207660), (40, 491264213), (44, 446603830), (55, 357283064), (88, 223301915), (110, 178641532), (220, 89320766), (440, 44660383)]