19533540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 59834880

約数和(自身を除く): 40301340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 79, 130, 156, 158, 195, 237, 260, 316, 317, 390, 395, 474, 634, 780, 790, 948, 951, 1027, 1185, 1268, 1580, 1585, 1902, 2054, 2370, 3081, 3170, 3804, 4108, 4121, 4740, 4755, 5135, 6162, 6340, 8242, 9510, 10270, 12324, 12363, 15405, 16484, 19020, 20540, 20605, 24726, 25043, 30810, 41210, 49452, 50086, 61620, 61815, 75129, 82420, 100172, 123630, 125215, 150258, 247260, 250430, 300516, 325559, 375645, 500860, 651118, 751290, 976677, 1302236, 1502580, 1627795, 1953354, 3255590, 3906708, 4883385, 6511180, 9766770, 19533540]

約数ペア:

[(1, 19533540), (2, 9766770), (3, 6511180), (4, 4883385), (5, 3906708), (6, 3255590), (10, 1953354), (12, 1627795), (13, 1502580), (15, 1302236), (20, 976677), (26, 751290), (30, 651118), (39, 500860), (52, 375645), (60, 325559), (65, 300516), (78, 250430), (79, 247260), (130, 150258), (156, 125215), (158, 123630), (195, 100172), (237, 82420), (260, 75129), (316, 61815), (317, 61620), (390, 50086), (395, 49452), (474, 41210), (634, 30810), (780, 25043), (790, 24726), (948, 20605), (951, 20540), (1027, 19020), (1185, 16484), (1268, 15405), (1580, 12363), (1585, 12324), (1902, 10270), (2054, 9510), (2370, 8242), (3081, 6340), (3170, 6162), (3804, 5135), (4108, 4755), (4121, 4740)]