19149720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 62380800

約数和(自身を除く): 43231080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 37, 38, 40, 57, 60, 74, 76, 95, 111, 114, 120, 148, 152, 185, 190, 222, 227, 228, 285, 296, 370, 380, 444, 454, 456, 555, 570, 681, 703, 740, 760, 888, 908, 1110, 1135, 1140, 1362, 1406, 1480, 1816, 2109, 2220, 2270, 2280, 2724, 2812, 3405, 3515, 4218, 4313, 4440, 4540, 5448, 5624, 6810, 7030, 8399, 8436, 8626, 9080, 10545, 12939, 13620, 14060, 16798, 16872, 17252, 21090, 21565, 25197, 25878, 27240, 28120, 33596, 34504, 41995, 42180, 43130, 50394, 51756, 64695, 67192, 83990, 84360, 86260, 100788, 103512, 125985, 129390, 159581, 167980, 172520, 201576, 251970, 258780, 319162, 335960, 478743, 503940, 517560, 638324, 797905, 957486, 1007880, 1276648, 1595810, 1914972, 2393715, 3191620, 3829944, 4787430, 6383240, 9574860, 19149720]

約数ペア:

[(1, 19149720), (2, 9574860), (3, 6383240), (4, 4787430), (5, 3829944), (6, 3191620), (8, 2393715), (10, 1914972), (12, 1595810), (15, 1276648), (19, 1007880), (20, 957486), (24, 797905), (30, 638324), (37, 517560), (38, 503940), (40, 478743), (57, 335960), (60, 319162), (74, 258780), (76, 251970), (95, 201576), (111, 172520), (114, 167980), (120, 159581), (148, 129390), (152, 125985), (185, 103512), (190, 100788), (222, 86260), (227, 84360), (228, 83990), (285, 67192), (296, 64695), (370, 51756), (380, 50394), (444, 43130), (454, 42180), (456, 41995), (555, 34504), (570, 33596), (681, 28120), (703, 27240), (740, 25878), (760, 25197), (888, 21565), (908, 21090), (1110, 17252), (1135, 16872), (1140, 16798), (1362, 14060), (1406, 13620), (1480, 12939), (1816, 10545), (2109, 9080), (2220, 8626), (2270, 8436), (2280, 8399), (2724, 7030), (2812, 6810), (3405, 5624), (3515, 5448), (4218, 4540), (4313, 4440)]