19181664

素因数分解:

$2^5\times 3^3\times {\mathrm{149}}^2$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 56324520

約数和(自身を除く): 37142856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 149, 216, 288, 298, 432, 447, 596, 864, 894, 1192, 1341, 1788, 2384, 2682, 3576, 4023, 4768, 5364, 7152, 8046, 10728, 14304, 16092, 21456, 22201, 32184, 42912, 44402, 64368, 66603, 88804, 128736, 133206, 177608, 199809, 266412, 355216, 399618, 532824, 599427, 710432, 799236, 1065648, 1198854, 1598472, 2131296, 2397708, 3196944, 4795416, 6393888, 9590832, 19181664]

約数ペア:

[(1, 19181664), (2, 9590832), (3, 6393888), (4, 4795416), (6, 3196944), (8, 2397708), (9, 2131296), (12, 1598472), (16, 1198854), (18, 1065648), (24, 799236), (27, 710432), (32, 599427), (36, 532824), (48, 399618), (54, 355216), (72, 266412), (96, 199809), (108, 177608), (144, 133206), (149, 128736), (216, 88804), (288, 66603), (298, 64368), (432, 44402), (447, 42912), (596, 32184), (864, 22201), (894, 21456), (1192, 16092), (1341, 14304), (1788, 10728), (2384, 8046), (2682, 7152), (3576, 5364), (4023, 4768)]