19814080

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1$

素因数の和:474

約数の個数: 112

約数和(自身を含む): 55558944

約数和(自身を除く): 35744864

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 433, 440, 520, 572, 704, 715, 832, 866, 880, 1040, 1144, 1430, 1732, 1760, 2080, 2165, 2288, 2860, 3464, 3520, 4160, 4330, 4576, 4763, 5629, 5720, 6928, 8660, 9152, 9526, 11258, 11440, 13856, 17320, 19052, 22516, 22880, 23815, 27712, 28145, 34640, 38104, 45032, 45760, 47630, 56290, 61919, 69280, 76208, 90064, 95260, 112580, 123838, 138560, 152416, 180128, 190520, 225160, 247676, 304832, 309595, 360256, 381040, 450320, 495352, 619190, 762080, 900640, 990704, 1238380, 1524160, 1801280, 1981408, 2476760, 3962816, 4953520, 9907040, 19814080]

約数ペア:

[(1, 19814080), (2, 9907040), (4, 4953520), (5, 3962816), (8, 2476760), (10, 1981408), (11, 1801280), (13, 1524160), (16, 1238380), (20, 990704), (22, 900640), (26, 762080), (32, 619190), (40, 495352), (44, 450320), (52, 381040), (55, 360256), (64, 309595), (65, 304832), (80, 247676), (88, 225160), (104, 190520), (110, 180128), (130, 152416), (143, 138560), (160, 123838), (176, 112580), (208, 95260), (220, 90064), (260, 76208), (286, 69280), (320, 61919), (352, 56290), (416, 47630), (433, 45760), (440, 45032), (520, 38104), (572, 34640), (704, 28145), (715, 27712), (832, 23815), (866, 22880), (880, 22516), (1040, 19052), (1144, 17320), (1430, 13856), (1732, 11440), (1760, 11258), (2080, 9526), (2165, 9152), (2288, 8660), (2860, 6928), (3464, 5720), (3520, 5629), (4160, 4763), (4330, 4576)]