18945584

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 45830400

約数和(自身を除く): 26884816

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 38, 56, 58, 76, 112, 116, 133, 152, 203, 232, 266, 304, 307, 406, 464, 532, 551, 614, 812, 1064, 1102, 1228, 1624, 2128, 2149, 2204, 2456, 3248, 3857, 4298, 4408, 4912, 5833, 7714, 8596, 8816, 8903, 11666, 15428, 17192, 17806, 23332, 30856, 34384, 35612, 40831, 46664, 61712, 62321, 71224, 81662, 93328, 124642, 142448, 163324, 169157, 249284, 326648, 338314, 498568, 653296, 676628, 997136, 1184099, 1353256, 2368198, 2706512, 4736396, 9472792, 18945584]

約数ペア:

[(1, 18945584), (2, 9472792), (4, 4736396), (7, 2706512), (8, 2368198), (14, 1353256), (16, 1184099), (19, 997136), (28, 676628), (29, 653296), (38, 498568), (56, 338314), (58, 326648), (76, 249284), (112, 169157), (116, 163324), (133, 142448), (152, 124642), (203, 93328), (232, 81662), (266, 71224), (304, 62321), (307, 61712), (406, 46664), (464, 40831), (532, 35612), (551, 34384), (614, 30856), (812, 23332), (1064, 17806), (1102, 17192), (1228, 15428), (1624, 11666), (2128, 8903), (2149, 8816), (2204, 8596), (2456, 7714), (3248, 5833), (3857, 4912), (4298, 4408)]