19847790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2657}}^1$

素因数の和:2753

約数の個数: 48

約数和(自身を含む): 52245648

約数和(自身を除く): 32397858

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 83, 90, 166, 249, 415, 498, 747, 830, 1245, 1494, 2490, 2657, 3735, 5314, 7470, 7971, 13285, 15942, 23913, 26570, 39855, 47826, 79710, 119565, 220531, 239130, 441062, 661593, 1102655, 1323186, 1984779, 2205310, 3307965, 3969558, 6615930, 9923895, 19847790]

約数ペア:

[(1, 19847790), (2, 9923895), (3, 6615930), (5, 3969558), (6, 3307965), (9, 2205310), (10, 1984779), (15, 1323186), (18, 1102655), (30, 661593), (45, 441062), (83, 239130), (90, 220531), (166, 119565), (249, 79710), (415, 47826), (498, 39855), (747, 26570), (830, 23913), (1245, 15942), (1494, 13285), (2490, 7971), (2657, 7470), (3735, 5314)]