19409000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1493}}^1$

素因数の和:1527

約数の個数: 64

約数和(自身を含む): 48943440

約数和(自身を除く): 29534440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1493, 1625, 2600, 2986, 3250, 5972, 6500, 7465, 11944, 13000, 14930, 19409, 29860, 37325, 38818, 59720, 74650, 77636, 97045, 149300, 155272, 186625, 194090, 298600, 373250, 388180, 485225, 746500, 776360, 970450, 1493000, 1940900, 2426125, 3881800, 4852250, 9704500, 19409000]

約数ペア:

[(1, 19409000), (2, 9704500), (4, 4852250), (5, 3881800), (8, 2426125), (10, 1940900), (13, 1493000), (20, 970450), (25, 776360), (26, 746500), (40, 485225), (50, 388180), (52, 373250), (65, 298600), (100, 194090), (104, 186625), (125, 155272), (130, 149300), (200, 97045), (250, 77636), (260, 74650), (325, 59720), (500, 38818), (520, 37325), (650, 29860), (1000, 19409), (1300, 14930), (1493, 13000), (1625, 11944), (2600, 7465), (2986, 6500), (3250, 5972)]