18951152

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 80

約数和(自身を含む): 42854400

約数和(自身を除く): 23903248

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 47, 58, 79, 88, 94, 116, 158, 176, 188, 232, 316, 319, 376, 464, 517, 632, 638, 752, 869, 1034, 1264, 1276, 1363, 1738, 2068, 2291, 2552, 2726, 3476, 3713, 4136, 4582, 5104, 5452, 6952, 7426, 8272, 9164, 10904, 13904, 14852, 14993, 18328, 21808, 25201, 29704, 29986, 36656, 40843, 50402, 59408, 59972, 81686, 100804, 107677, 119944, 163372, 201608, 215354, 239888, 326744, 403216, 430708, 653488, 861416, 1184447, 1722832, 2368894, 4737788, 9475576, 18951152]

約数ペア:

[(1, 18951152), (2, 9475576), (4, 4737788), (8, 2368894), (11, 1722832), (16, 1184447), (22, 861416), (29, 653488), (44, 430708), (47, 403216), (58, 326744), (79, 239888), (88, 215354), (94, 201608), (116, 163372), (158, 119944), (176, 107677), (188, 100804), (232, 81686), (316, 59972), (319, 59408), (376, 50402), (464, 40843), (517, 36656), (632, 29986), (638, 29704), (752, 25201), (869, 21808), (1034, 18328), (1264, 14993), (1276, 14852), (1363, 13904), (1738, 10904), (2068, 9164), (2291, 8272), (2552, 7426), (2726, 6952), (3476, 5452), (3713, 5104), (4136, 4582)]