19143990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{613}}^1$

素因数の和:973

約数の個数: 48

約数和(自身を含む): 49999248

約数和(自身を除く): 30855258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 347, 613, 694, 1041, 1226, 1735, 1839, 2082, 3065, 3123, 3470, 3678, 5205, 5517, 6130, 6246, 9195, 10410, 11034, 15615, 18390, 27585, 31230, 55170, 212711, 425422, 638133, 1063555, 1276266, 1914399, 2127110, 3190665, 3828798, 6381330, 9571995, 19143990]

約数ペア:

[(1, 19143990), (2, 9571995), (3, 6381330), (5, 3828798), (6, 3190665), (9, 2127110), (10, 1914399), (15, 1276266), (18, 1063555), (30, 638133), (45, 425422), (90, 212711), (347, 55170), (613, 31230), (694, 27585), (1041, 18390), (1226, 15615), (1735, 11034), (1839, 10410), (2082, 9195), (3065, 6246), (3123, 6130), (3470, 5517), (3678, 5205)]