18728388

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{3539}}^1$

素因数の和:3566

約数の個数: 72

約数和(自身を含む): 56498400

約数和(自身を除く): 37770012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 3539, 5292, 7078, 10617, 14156, 21234, 24773, 31851, 42468, 49546, 63702, 74319, 95553, 99092, 127404, 148638, 173411, 191106, 222957, 297276, 346822, 382212, 445914, 520233, 668871, 693644, 891828, 1040466, 1337742, 1560699, 2080932, 2675484, 3121398, 4682097, 6242796, 9364194, 18728388]

約数ペア:

[(1, 18728388), (2, 9364194), (3, 6242796), (4, 4682097), (6, 3121398), (7, 2675484), (9, 2080932), (12, 1560699), (14, 1337742), (18, 1040466), (21, 891828), (27, 693644), (28, 668871), (36, 520233), (42, 445914), (49, 382212), (54, 346822), (63, 297276), (84, 222957), (98, 191106), (108, 173411), (126, 148638), (147, 127404), (189, 99092), (196, 95553), (252, 74319), (294, 63702), (378, 49546), (441, 42468), (588, 31851), (756, 24773), (882, 21234), (1323, 14156), (1764, 10617), (2646, 7078), (3539, 5292)]