18988896870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2542021}}^1$

素因数の和:2542117

約数の個数: 48

約数和(自身を含む): 49965984432

約数和(自身を除く): 30977087562

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 83, 90, 166, 249, 415, 498, 747, 830, 1245, 1494, 2490, 3735, 7470, 2542021, 5084042, 7626063, 12710105, 15252126, 22878189, 25420210, 38130315, 45756378, 76260630, 114390945, 210987743, 228781890, 421975486, 632963229, 1054938715, 1265926458, 1898889687, 2109877430, 3164816145, 3797779374, 6329632290, 9494448435, 18988896870]

約数ペア:

[(1, 18988896870), (2, 9494448435), (3, 6329632290), (5, 3797779374), (6, 3164816145), (9, 2109877430), (10, 1898889687), (15, 1265926458), (18, 1054938715), (30, 632963229), (45, 421975486), (83, 228781890), (90, 210987743), (166, 114390945), (249, 76260630), (415, 45756378), (498, 38130315), (747, 25420210), (830, 22878189), (1245, 15252126), (1494, 12710105), (2490, 7626063), (3735, 5084042), (7470, 2542021)]