19040780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 47029248

約数和(自身を除く): 27988468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 53, 55, 71, 92, 106, 110, 115, 142, 212, 220, 230, 253, 265, 284, 355, 460, 506, 530, 583, 710, 781, 1012, 1060, 1166, 1219, 1265, 1420, 1562, 1633, 2332, 2438, 2530, 2915, 3124, 3266, 3763, 3905, 4876, 5060, 5830, 6095, 6532, 7526, 7810, 8165, 11660, 12190, 13409, 15052, 15620, 16330, 17963, 18815, 24380, 26818, 32660, 35926, 37630, 41393, 53636, 67045, 71852, 75260, 82786, 86549, 89815, 134090, 165572, 173098, 179630, 206965, 268180, 346196, 359260, 413930, 432745, 827860, 865490, 952039, 1730980, 1904078, 3808156, 4760195, 9520390, 19040780]

約数ペア:

[(1, 19040780), (2, 9520390), (4, 4760195), (5, 3808156), (10, 1904078), (11, 1730980), (20, 952039), (22, 865490), (23, 827860), (44, 432745), (46, 413930), (53, 359260), (55, 346196), (71, 268180), (92, 206965), (106, 179630), (110, 173098), (115, 165572), (142, 134090), (212, 89815), (220, 86549), (230, 82786), (253, 75260), (265, 71852), (284, 67045), (355, 53636), (460, 41393), (506, 37630), (530, 35926), (583, 32660), (710, 26818), (781, 24380), (1012, 18815), (1060, 17963), (1166, 16330), (1219, 15620), (1265, 15052), (1420, 13409), (1562, 12190), (1633, 11660), (2332, 8165), (2438, 7810), (2530, 7526), (2915, 6532), (3124, 6095), (3266, 5830), (3763, 5060), (3905, 4876)]