19953088

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 56

約数和(自身を含む): 41696640

約数和(自身を除く): 21743552

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 89, 113, 124, 178, 226, 248, 356, 452, 496, 712, 904, 992, 1424, 1808, 1984, 2759, 2848, 3503, 3616, 5518, 5696, 7006, 7232, 10057, 11036, 14012, 20114, 22072, 28024, 40228, 44144, 56048, 80456, 88288, 112096, 160912, 176576, 224192, 311767, 321824, 623534, 643648, 1247068, 2494136, 4988272, 9976544, 19953088]

約数ペア:

[(1, 19953088), (2, 9976544), (4, 4988272), (8, 2494136), (16, 1247068), (31, 643648), (32, 623534), (62, 321824), (64, 311767), (89, 224192), (113, 176576), (124, 160912), (178, 112096), (226, 88288), (248, 80456), (356, 56048), (452, 44144), (496, 40228), (712, 28024), (904, 22072), (992, 20114), (1424, 14012), (1808, 11036), (1984, 10057), (2759, 7232), (2848, 7006), (3503, 5696), (3616, 5518)]