19528520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44383}}^1$

素因数の和:44405

約数の個数: 32

約数和(自身を含む): 47934720

約数和(自身を除く): 28406200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44383, 88766, 177532, 221915, 355064, 443830, 488213, 887660, 976426, 1775320, 1952852, 2441065, 3905704, 4882130, 9764260, 19528520]

約数ペア:

[(1, 19528520), (2, 9764260), (4, 4882130), (5, 3905704), (8, 2441065), (10, 1952852), (11, 1775320), (20, 976426), (22, 887660), (40, 488213), (44, 443830), (55, 355064), (88, 221915), (110, 177532), (220, 88766), (440, 44383)]