19890948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 61967360

約数和(自身を除く): 42076412

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 19, 21, 22, 28, 33, 38, 42, 44, 57, 66, 76, 77, 84, 103, 114, 121, 132, 133, 154, 206, 209, 228, 231, 242, 266, 308, 309, 363, 399, 412, 418, 462, 484, 532, 618, 627, 721, 726, 798, 836, 847, 924, 1133, 1236, 1254, 1442, 1452, 1463, 1596, 1694, 1957, 2163, 2266, 2299, 2508, 2541, 2884, 2926, 3388, 3399, 3914, 4326, 4389, 4532, 4598, 5082, 5852, 5871, 6798, 6897, 7828, 7931, 8652, 8778, 9196, 10164, 11742, 12463, 13596, 13699, 13794, 15862, 16093, 17556, 21527, 23484, 23793, 24926, 27398, 27588, 31724, 32186, 37389, 41097, 43054, 47586, 48279, 49852, 54796, 64372, 64581, 74778, 82194, 86108, 87241, 95172, 96558, 129162, 149556, 150689, 164388, 174482, 193116, 236797, 258324, 261723, 301378, 348964, 452067, 473594, 523446, 602756, 710391, 904134, 947188, 1046892, 1420782, 1657579, 1808268, 2841564, 3315158, 4972737, 6630316, 9945474, 19890948]

約数ペア:

[(1, 19890948), (2, 9945474), (3, 6630316), (4, 4972737), (6, 3315158), (7, 2841564), (11, 1808268), (12, 1657579), (14, 1420782), (19, 1046892), (21, 947188), (22, 904134), (28, 710391), (33, 602756), (38, 523446), (42, 473594), (44, 452067), (57, 348964), (66, 301378), (76, 261723), (77, 258324), (84, 236797), (103, 193116), (114, 174482), (121, 164388), (132, 150689), (133, 149556), (154, 129162), (206, 96558), (209, 95172), (228, 87241), (231, 86108), (242, 82194), (266, 74778), (308, 64581), (309, 64372), (363, 54796), (399, 49852), (412, 48279), (418, 47586), (462, 43054), (484, 41097), (532, 37389), (618, 32186), (627, 31724), (721, 27588), (726, 27398), (798, 24926), (836, 23793), (847, 23484), (924, 21527), (1133, 17556), (1236, 16093), (1254, 15862), (1442, 13794), (1452, 13699), (1463, 13596), (1596, 12463), (1694, 11742), (1957, 10164), (2163, 9196), (2266, 8778), (2299, 8652), (2508, 7931), (2541, 7828), (2884, 6897), (2926, 6798), (3388, 5871), (3399, 5852), (3914, 5082), (4326, 4598), (4389, 4532)]