19952406

素因数分解:

$2^1\times 3^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:211

約数の個数: 80

約数和(自身を含む): 48090240

約数和(自身を除く): 28137834

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 31, 54, 58, 62, 81, 87, 93, 137, 162, 174, 186, 261, 274, 279, 411, 522, 558, 783, 822, 837, 899, 1233, 1566, 1674, 1798, 2349, 2466, 2511, 2697, 3699, 3973, 4247, 4698, 5022, 5394, 7398, 7946, 8091, 8494, 11097, 11919, 12741, 16182, 22194, 23838, 24273, 25482, 35757, 38223, 48546, 71514, 72819, 76446, 107271, 114669, 123163, 145638, 214542, 229338, 246326, 321813, 344007, 369489, 643626, 688014, 738978, 1108467, 2216934, 3325401, 6650802, 9976203, 19952406]

約数ペア:

[(1, 19952406), (2, 9976203), (3, 6650802), (6, 3325401), (9, 2216934), (18, 1108467), (27, 738978), (29, 688014), (31, 643626), (54, 369489), (58, 344007), (62, 321813), (81, 246326), (87, 229338), (93, 214542), (137, 145638), (162, 123163), (174, 114669), (186, 107271), (261, 76446), (274, 72819), (279, 71514), (411, 48546), (522, 38223), (558, 35757), (783, 25482), (822, 24273), (837, 23838), (899, 22194), (1233, 16182), (1566, 12741), (1674, 11919), (1798, 11097), (2349, 8494), (2466, 8091), (2511, 7946), (2697, 7398), (3699, 5394), (3973, 5022), (4247, 4698)]