19076980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 43464960

約数和(自身を除く): 24387980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 307, 478, 614, 956, 1195, 1228, 1535, 2390, 3070, 3107, 3991, 4780, 6140, 6214, 7982, 12428, 15535, 15964, 19955, 31070, 39910, 62140, 73373, 79820, 146746, 293492, 366865, 733730, 953849, 1467460, 1907698, 3815396, 4769245, 9538490, 19076980]

約数ペア:

[(1, 19076980), (2, 9538490), (4, 4769245), (5, 3815396), (10, 1907698), (13, 1467460), (20, 953849), (26, 733730), (52, 366865), (65, 293492), (130, 146746), (239, 79820), (260, 73373), (307, 62140), (478, 39910), (614, 31070), (956, 19955), (1195, 15964), (1228, 15535), (1535, 12428), (2390, 7982), (3070, 6214), (3107, 6140), (3991, 4780)]