19578312

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{1609}}^1$

素因数の和:1647

約数の個数: 72

約数和(自身を含む): 57452850

約数和(自身を除く): 37874538

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 1609, 2028, 3042, 3218, 4056, 4827, 6084, 6436, 9654, 12168, 12872, 14481, 19308, 20917, 28962, 38616, 41834, 57924, 62751, 83668, 115848, 125502, 167336, 188253, 251004, 271921, 376506, 502008, 543842, 753012, 815763, 1087684, 1506024, 1631526, 2175368, 2447289, 3263052, 4894578, 6526104, 9789156, 19578312]

約数ペア:

[(1, 19578312), (2, 9789156), (3, 6526104), (4, 4894578), (6, 3263052), (8, 2447289), (9, 2175368), (12, 1631526), (13, 1506024), (18, 1087684), (24, 815763), (26, 753012), (36, 543842), (39, 502008), (52, 376506), (72, 271921), (78, 251004), (104, 188253), (117, 167336), (156, 125502), (169, 115848), (234, 83668), (312, 62751), (338, 57924), (468, 41834), (507, 38616), (676, 28962), (936, 20917), (1014, 19308), (1352, 14481), (1521, 12872), (1609, 12168), (2028, 9654), (3042, 6436), (3218, 6084), (4056, 4827)]