19169800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 49137480

約数和(自身を除く): 29967680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 73, 100, 101, 104, 130, 146, 200, 202, 260, 292, 325, 365, 404, 505, 520, 584, 650, 730, 808, 949, 1010, 1300, 1313, 1460, 1825, 1898, 2020, 2525, 2600, 2626, 2920, 3650, 3796, 4040, 4745, 5050, 5252, 6565, 7300, 7373, 7592, 9490, 10100, 10504, 13130, 14600, 14746, 18980, 20200, 23725, 26260, 29492, 32825, 36865, 37960, 47450, 52520, 58984, 65650, 73730, 94900, 95849, 131300, 147460, 184325, 189800, 191698, 262600, 294920, 368650, 383396, 479245, 737300, 766792, 958490, 1474600, 1916980, 2396225, 3833960, 4792450, 9584900, 19169800]

約数ペア:

[(1, 19169800), (2, 9584900), (4, 4792450), (5, 3833960), (8, 2396225), (10, 1916980), (13, 1474600), (20, 958490), (25, 766792), (26, 737300), (40, 479245), (50, 383396), (52, 368650), (65, 294920), (73, 262600), (100, 191698), (101, 189800), (104, 184325), (130, 147460), (146, 131300), (200, 95849), (202, 94900), (260, 73730), (292, 65650), (325, 58984), (365, 52520), (404, 47450), (505, 37960), (520, 36865), (584, 32825), (650, 29492), (730, 26260), (808, 23725), (949, 20200), (1010, 18980), (1300, 14746), (1313, 14600), (1460, 13130), (1825, 10504), (1898, 10100), (2020, 9490), (2525, 7592), (2600, 7373), (2626, 7300), (2920, 6565), (3650, 5252), (3796, 5050), (4040, 4745)]