18570448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 42219520

約数和(自身を除く): 23649072

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 37, 38, 52, 74, 76, 104, 127, 148, 152, 208, 247, 254, 296, 304, 481, 494, 508, 592, 703, 962, 988, 1016, 1406, 1651, 1924, 1976, 2032, 2413, 2812, 3302, 3848, 3952, 4699, 4826, 5624, 6604, 7696, 9139, 9398, 9652, 11248, 13208, 18278, 18796, 19304, 26416, 31369, 36556, 37592, 38608, 61087, 62738, 73112, 75184, 89281, 122174, 125476, 146224, 178562, 244348, 250952, 357124, 488696, 501904, 714248, 977392, 1160653, 1428496, 2321306, 4642612, 9285224, 18570448]

約数ペア:

[(1, 18570448), (2, 9285224), (4, 4642612), (8, 2321306), (13, 1428496), (16, 1160653), (19, 977392), (26, 714248), (37, 501904), (38, 488696), (52, 357124), (74, 250952), (76, 244348), (104, 178562), (127, 146224), (148, 125476), (152, 122174), (208, 89281), (247, 75184), (254, 73112), (296, 62738), (304, 61087), (481, 38608), (494, 37592), (508, 36556), (592, 31369), (703, 26416), (962, 19304), (988, 18796), (1016, 18278), (1406, 13208), (1651, 11248), (1924, 9652), (1976, 9398), (2032, 9139), (2413, 7696), (2812, 6604), (3302, 5624), (3848, 4826), (3952, 4699)]