19967552

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:387

約数の個数: 56

約数和(自身を含む): 43781472

約数和(自身を除く): 23813920

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 113, 176, 226, 251, 352, 452, 502, 704, 904, 1004, 1243, 1808, 2008, 2486, 2761, 3616, 4016, 4972, 5522, 7232, 8032, 9944, 11044, 16064, 19888, 22088, 28363, 39776, 44176, 56726, 79552, 88352, 113452, 176704, 226904, 311993, 453808, 623986, 907616, 1247972, 1815232, 2495944, 4991888, 9983776, 19967552]

約数ペア:

[(1, 19967552), (2, 9983776), (4, 4991888), (8, 2495944), (11, 1815232), (16, 1247972), (22, 907616), (32, 623986), (44, 453808), (64, 311993), (88, 226904), (113, 176704), (176, 113452), (226, 88352), (251, 79552), (352, 56726), (452, 44176), (502, 39776), (704, 28363), (904, 22088), (1004, 19888), (1243, 16064), (1808, 11044), (2008, 9944), (2486, 8032), (2761, 7232), (3616, 5522), (4016, 4972)]