19183736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 43394400

約数和(自身を除く): 24210664

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 41, 44, 52, 82, 88, 104, 143, 164, 286, 328, 409, 451, 533, 572, 818, 902, 1066, 1144, 1636, 1804, 2132, 3272, 3608, 4264, 4499, 5317, 5863, 8998, 10634, 11726, 16769, 17996, 21268, 23452, 33538, 35992, 42536, 46904, 58487, 67076, 116974, 134152, 184459, 217997, 233948, 368918, 435994, 467896, 737836, 871988, 1475672, 1743976, 2397967, 4795934, 9591868, 19183736]

約数ペア:

[(1, 19183736), (2, 9591868), (4, 4795934), (8, 2397967), (11, 1743976), (13, 1475672), (22, 871988), (26, 737836), (41, 467896), (44, 435994), (52, 368918), (82, 233948), (88, 217997), (104, 184459), (143, 134152), (164, 116974), (286, 67076), (328, 58487), (409, 46904), (451, 42536), (533, 35992), (572, 33538), (818, 23452), (902, 21268), (1066, 17996), (1144, 16769), (1636, 11726), (1804, 10634), (2132, 8998), (3272, 5863), (3608, 5317), (4264, 4499)]