19015020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1531}}^1$

素因数の和:1572

約数の個数: 96

約数和(自身を含む): 61770240

約数和(自身を除く): 42755220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 345, 414, 460, 540, 621, 690, 828, 1035, 1242, 1380, 1531, 2070, 2484, 3062, 3105, 4140, 4593, 6124, 6210, 7655, 9186, 12420, 13779, 15310, 18372, 22965, 27558, 30620, 35213, 41337, 45930, 55116, 68895, 70426, 82674, 91860, 105639, 137790, 140852, 165348, 176065, 206685, 211278, 275580, 316917, 352130, 413370, 422556, 528195, 633834, 704260, 826740, 950751, 1056390, 1267668, 1584585, 1901502, 2112780, 3169170, 3803004, 4753755, 6338340, 9507510, 19015020]

約数ペア:

[(1, 19015020), (2, 9507510), (3, 6338340), (4, 4753755), (5, 3803004), (6, 3169170), (9, 2112780), (10, 1901502), (12, 1584585), (15, 1267668), (18, 1056390), (20, 950751), (23, 826740), (27, 704260), (30, 633834), (36, 528195), (45, 422556), (46, 413370), (54, 352130), (60, 316917), (69, 275580), (90, 211278), (92, 206685), (108, 176065), (115, 165348), (135, 140852), (138, 137790), (180, 105639), (207, 91860), (230, 82674), (270, 70426), (276, 68895), (345, 55116), (414, 45930), (460, 41337), (540, 35213), (621, 30620), (690, 27558), (828, 22965), (1035, 18372), (1242, 15310), (1380, 13779), (1531, 12420), (2070, 9186), (2484, 7655), (3062, 6210), (3105, 6124), (4140, 4593)]