19956423352

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{727}}^1$

素因数の和:1181

約数の個数: 96

約数和(自身を含む): 41194782720

約数和(自身を除く): 21238359368

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 289, 383, 527, 578, 727, 766, 1054, 1156, 1454, 1532, 2108, 2312, 2908, 3064, 4216, 5816, 6511, 8959, 11873, 12359, 13022, 17918, 22537, 23746, 24718, 26044, 35836, 45074, 47492, 49436, 52088, 71672, 90148, 94984, 98872, 110687, 180296, 201841, 210103, 221374, 278441, 383129, 403682, 420206, 442748, 556882, 766258, 807364, 840412, 885496, 1113764, 1532516, 1614728, 1680824, 2227528, 3065032, 3431297, 4733497, 6513193, 6862594, 8631671, 9466994, 13026386, 13725188, 17263342, 18933988, 26052772, 27450376, 34526684, 37867976, 52105544, 69053368, 80469449, 146738407, 160938898, 293476814, 321877796, 586953628, 643755592, 1173907256, 2494552919, 4989105838, 9978211676, 19956423352]

約数ペア:

[(1, 19956423352), (2, 9978211676), (4, 4989105838), (8, 2494552919), (17, 1173907256), (31, 643755592), (34, 586953628), (62, 321877796), (68, 293476814), (124, 160938898), (136, 146738407), (248, 80469449), (289, 69053368), (383, 52105544), (527, 37867976), (578, 34526684), (727, 27450376), (766, 26052772), (1054, 18933988), (1156, 17263342), (1454, 13725188), (1532, 13026386), (2108, 9466994), (2312, 8631671), (2908, 6862594), (3064, 6513193), (4216, 4733497), (5816, 3431297), (6511, 3065032), (8959, 2227528), (11873, 1680824), (12359, 1614728), (13022, 1532516), (17918, 1113764), (22537, 885496), (23746, 840412), (24718, 807364), (26044, 766258), (35836, 556882), (45074, 442748), (47492, 420206), (49436, 403682), (52088, 383129), (71672, 278441), (90148, 221374), (94984, 210103), (98872, 201841), (110687, 180296)]