19166840

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{127}}^1$

素因数の和:170

約数の個数: 128

約数和(自身を含む): 55296000

約数和(自身を除く): 36129160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 127, 140, 154, 196, 220, 245, 254, 280, 308, 343, 385, 392, 440, 490, 508, 539, 616, 635, 686, 770, 889, 980, 1016, 1078, 1270, 1372, 1397, 1540, 1715, 1778, 1960, 2156, 2540, 2695, 2744, 2794, 3080, 3430, 3556, 3773, 4312, 4445, 5080, 5390, 5588, 6223, 6860, 6985, 7112, 7546, 8890, 9779, 10780, 11176, 12446, 13720, 13970, 15092, 17780, 18865, 19558, 21560, 24892, 27940, 30184, 31115, 35560, 37730, 39116, 43561, 48895, 49784, 55880, 62230, 68453, 75460, 78232, 87122, 97790, 124460, 136906, 150920, 174244, 195580, 217805, 248920, 273812, 342265, 348488, 391160, 435610, 479171, 547624, 684530, 871220, 958342, 1369060, 1742440, 1916684, 2395855, 2738120, 3833368, 4791710, 9583420, 19166840]

約数ペア:

[(1, 19166840), (2, 9583420), (4, 4791710), (5, 3833368), (7, 2738120), (8, 2395855), (10, 1916684), (11, 1742440), (14, 1369060), (20, 958342), (22, 871220), (28, 684530), (35, 547624), (40, 479171), (44, 435610), (49, 391160), (55, 348488), (56, 342265), (70, 273812), (77, 248920), (88, 217805), (98, 195580), (110, 174244), (127, 150920), (140, 136906), (154, 124460), (196, 97790), (220, 87122), (245, 78232), (254, 75460), (280, 68453), (308, 62230), (343, 55880), (385, 49784), (392, 48895), (440, 43561), (490, 39116), (508, 37730), (539, 35560), (616, 31115), (635, 30184), (686, 27940), (770, 24892), (889, 21560), (980, 19558), (1016, 18865), (1078, 17780), (1270, 15092), (1372, 13970), (1397, 13720), (1540, 12446), (1715, 11176), (1778, 10780), (1960, 9779), (2156, 8890), (2540, 7546), (2695, 7112), (2744, 6985), (2794, 6860), (3080, 6223), (3430, 5588), (3556, 5390), (3773, 5080), (4312, 4445)]