19584560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:246

約数の個数: 80

約数和(自身を含む): 48211200

約数和(自身を除く): 28626640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 149, 155, 212, 248, 265, 298, 310, 424, 496, 530, 596, 620, 745, 848, 1060, 1192, 1240, 1490, 1643, 2120, 2384, 2480, 2980, 3286, 4240, 4619, 5960, 6572, 7897, 8215, 9238, 11920, 13144, 15794, 16430, 18476, 23095, 26288, 31588, 32860, 36952, 39485, 46190, 63176, 65720, 73904, 78970, 92380, 126352, 131440, 157940, 184760, 244807, 315880, 369520, 489614, 631760, 979228, 1224035, 1958456, 2448070, 3916912, 4896140, 9792280, 19584560]

約数ペア:

[(1, 19584560), (2, 9792280), (4, 4896140), (5, 3916912), (8, 2448070), (10, 1958456), (16, 1224035), (20, 979228), (31, 631760), (40, 489614), (53, 369520), (62, 315880), (80, 244807), (106, 184760), (124, 157940), (149, 131440), (155, 126352), (212, 92380), (248, 78970), (265, 73904), (298, 65720), (310, 63176), (424, 46190), (496, 39485), (530, 36952), (596, 32860), (620, 31588), (745, 26288), (848, 23095), (1060, 18476), (1192, 16430), (1240, 15794), (1490, 13144), (1643, 11920), (2120, 9238), (2384, 8215), (2480, 7897), (2980, 6572), (3286, 5960), (4240, 4619)]