19283680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 50125824

約数和(自身を除く): 30842144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 73, 80, 104, 127, 130, 146, 160, 208, 254, 260, 292, 365, 416, 508, 520, 584, 635, 730, 949, 1016, 1040, 1168, 1270, 1460, 1651, 1898, 2032, 2080, 2336, 2540, 2920, 3302, 3796, 4064, 4745, 5080, 5840, 6604, 7592, 8255, 9271, 9490, 10160, 11680, 13208, 15184, 16510, 18542, 18980, 20320, 26416, 30368, 33020, 37084, 37960, 46355, 52832, 66040, 74168, 75920, 92710, 120523, 132080, 148336, 151840, 185420, 241046, 264160, 296672, 370840, 482092, 602615, 741680, 964184, 1205230, 1483360, 1928368, 2410460, 3856736, 4820920, 9641840, 19283680]

約数ペア:

[(1, 19283680), (2, 9641840), (4, 4820920), (5, 3856736), (8, 2410460), (10, 1928368), (13, 1483360), (16, 1205230), (20, 964184), (26, 741680), (32, 602615), (40, 482092), (52, 370840), (65, 296672), (73, 264160), (80, 241046), (104, 185420), (127, 151840), (130, 148336), (146, 132080), (160, 120523), (208, 92710), (254, 75920), (260, 74168), (292, 66040), (365, 52832), (416, 46355), (508, 37960), (520, 37084), (584, 33020), (635, 30368), (730, 26416), (949, 20320), (1016, 18980), (1040, 18542), (1168, 16510), (1270, 15184), (1460, 13208), (1651, 11680), (1898, 10160), (2032, 9490), (2080, 9271), (2336, 8255), (2540, 7592), (2920, 6604), (3302, 5840), (3796, 5080), (4064, 4745)]