19689156

素因数分解:

$2^2\times 3^4\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:990

約数の個数: 60

約数和(自身を含む): 52297168

約数和(自身を除く): 32608012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 81, 108, 134, 162, 201, 268, 324, 402, 603, 804, 907, 1206, 1809, 1814, 2412, 2721, 3618, 3628, 5427, 5442, 7236, 8163, 10854, 10884, 16326, 21708, 24489, 32652, 48978, 60769, 73467, 97956, 121538, 146934, 182307, 243076, 293868, 364614, 546921, 729228, 1093842, 1640763, 2187684, 3281526, 4922289, 6563052, 9844578, 19689156]

約数ペア:

[(1, 19689156), (2, 9844578), (3, 6563052), (4, 4922289), (6, 3281526), (9, 2187684), (12, 1640763), (18, 1093842), (27, 729228), (36, 546921), (54, 364614), (67, 293868), (81, 243076), (108, 182307), (134, 146934), (162, 121538), (201, 97956), (268, 73467), (324, 60769), (402, 48978), (603, 32652), (804, 24489), (907, 21708), (1206, 16326), (1809, 10884), (1814, 10854), (2412, 8163), (2721, 7236), (3618, 5442), (3628, 5427)]