19793800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 51871680

約数和(自身を除く): 32077880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 25, 26, 40, 46, 50, 52, 65, 92, 100, 104, 115, 130, 184, 200, 230, 260, 299, 325, 331, 460, 520, 575, 598, 650, 662, 920, 1150, 1196, 1300, 1324, 1495, 1655, 2300, 2392, 2600, 2648, 2990, 3310, 4303, 4600, 5980, 6620, 7475, 7613, 8275, 8606, 11960, 13240, 14950, 15226, 16550, 17212, 21515, 29900, 30452, 33100, 34424, 38065, 43030, 59800, 60904, 66200, 76130, 86060, 98969, 107575, 152260, 172120, 190325, 197938, 215150, 304520, 380650, 395876, 430300, 494845, 761300, 791752, 860600, 989690, 1522600, 1979380, 2474225, 3958760, 4948450, 9896900, 19793800]

約数ペア:

[(1, 19793800), (2, 9896900), (4, 4948450), (5, 3958760), (8, 2474225), (10, 1979380), (13, 1522600), (20, 989690), (23, 860600), (25, 791752), (26, 761300), (40, 494845), (46, 430300), (50, 395876), (52, 380650), (65, 304520), (92, 215150), (100, 197938), (104, 190325), (115, 172120), (130, 152260), (184, 107575), (200, 98969), (230, 86060), (260, 76130), (299, 66200), (325, 60904), (331, 59800), (460, 43030), (520, 38065), (575, 34424), (598, 33100), (650, 30452), (662, 29900), (920, 21515), (1150, 17212), (1196, 16550), (1300, 15226), (1324, 14950), (1495, 13240), (1655, 11960), (2300, 8606), (2392, 8275), (2600, 7613), (2648, 7475), (2990, 6620), (3310, 5980), (4303, 4600)]