19348680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 63705600

約数和(自身を除く): 44356920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 79, 104, 120, 130, 156, 157, 158, 195, 237, 260, 312, 314, 316, 390, 395, 471, 474, 520, 628, 632, 780, 785, 790, 942, 948, 1027, 1185, 1256, 1560, 1570, 1580, 1884, 1896, 2041, 2054, 2355, 2370, 3081, 3140, 3160, 3768, 4082, 4108, 4710, 4740, 5135, 6123, 6162, 6280, 8164, 8216, 9420, 9480, 10205, 10270, 12246, 12324, 12403, 15405, 16328, 18840, 20410, 20540, 24492, 24648, 24806, 30615, 30810, 37209, 40820, 41080, 48984, 49612, 61230, 61620, 62015, 74418, 81640, 99224, 122460, 123240, 124030, 148836, 161239, 186045, 244920, 248060, 297672, 322478, 372090, 483717, 496120, 644956, 744180, 806195, 967434, 1289912, 1488360, 1612390, 1934868, 2418585, 3224780, 3869736, 4837170, 6449560, 9674340, 19348680]

約数ペア:

[(1, 19348680), (2, 9674340), (3, 6449560), (4, 4837170), (5, 3869736), (6, 3224780), (8, 2418585), (10, 1934868), (12, 1612390), (13, 1488360), (15, 1289912), (20, 967434), (24, 806195), (26, 744180), (30, 644956), (39, 496120), (40, 483717), (52, 372090), (60, 322478), (65, 297672), (78, 248060), (79, 244920), (104, 186045), (120, 161239), (130, 148836), (156, 124030), (157, 123240), (158, 122460), (195, 99224), (237, 81640), (260, 74418), (312, 62015), (314, 61620), (316, 61230), (390, 49612), (395, 48984), (471, 41080), (474, 40820), (520, 37209), (628, 30810), (632, 30615), (780, 24806), (785, 24648), (790, 24492), (942, 20540), (948, 20410), (1027, 18840), (1185, 16328), (1256, 15405), (1560, 12403), (1570, 12324), (1580, 12246), (1884, 10270), (1896, 10205), (2041, 9480), (2054, 9420), (2355, 8216), (2370, 8164), (3081, 6280), (3140, 6162), (3160, 6123), (3768, 5135), (4082, 4740), (4108, 4710)]