18136890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6949}}^1$

素因数の和:6991

約数の個数: 48

約数和(自身を含む): 48789000

約数和(自身を除く): 30652110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 6949, 13898, 20847, 34745, 41694, 62541, 69490, 104235, 125082, 201521, 208470, 312705, 403042, 604563, 625410, 1007605, 1209126, 1813689, 2015210, 3022815, 3627378, 6045630, 9068445, 18136890]

約数ペア:

[(1, 18136890), (2, 9068445), (3, 6045630), (5, 3627378), (6, 3022815), (9, 2015210), (10, 1813689), (15, 1209126), (18, 1007605), (29, 625410), (30, 604563), (45, 403042), (58, 312705), (87, 208470), (90, 201521), (145, 125082), (174, 104235), (261, 69490), (290, 62541), (435, 41694), (522, 34745), (870, 20847), (1305, 13898), (2610, 6949)]