19553842

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:152

約数の個数: 72

約数和(自身を含む): 40118652

約数和(自身を除く): 20564810

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 49, 77, 97, 98, 119, 121, 154, 187, 194, 238, 242, 374, 539, 679, 833, 847, 1067, 1078, 1309, 1358, 1649, 1666, 1694, 2057, 2134, 2618, 3298, 4114, 4753, 5929, 7469, 9163, 9506, 11543, 11737, 11858, 14399, 14938, 18139, 18326, 23086, 23474, 28798, 36278, 52283, 80801, 82159, 100793, 104566, 126973, 161602, 164318, 199529, 201586, 253946, 399058, 575113, 888811, 1150226, 1396703, 1777622, 2793406, 9776921, 19553842]

約数ペア:

[(1, 19553842), (2, 9776921), (7, 2793406), (11, 1777622), (14, 1396703), (17, 1150226), (22, 888811), (34, 575113), (49, 399058), (77, 253946), (97, 201586), (98, 199529), (119, 164318), (121, 161602), (154, 126973), (187, 104566), (194, 100793), (238, 82159), (242, 80801), (374, 52283), (539, 36278), (679, 28798), (833, 23474), (847, 23086), (1067, 18326), (1078, 18139), (1309, 14938), (1358, 14399), (1649, 11858), (1666, 11737), (1694, 11543), (2057, 9506), (2134, 9163), (2618, 7469), (3298, 5929), (4114, 4753)]