19408935

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 39029760

約数和(自身を除く): 19620825

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 59, 65, 91, 105, 177, 195, 241, 273, 295, 413, 455, 723, 767, 885, 1205, 1239, 1365, 1687, 2065, 2301, 3133, 3615, 3835, 5061, 5369, 6195, 8435, 9399, 11505, 14219, 15665, 16107, 21931, 25305, 26845, 42657, 46995, 65793, 71095, 80535, 99533, 109655, 184847, 213285, 298599, 328965, 497665, 554541, 924235, 1293929, 1492995, 2772705, 3881787, 6469645, 19408935]

約数ペア:

[(1, 19408935), (3, 6469645), (5, 3881787), (7, 2772705), (13, 1492995), (15, 1293929), (21, 924235), (35, 554541), (39, 497665), (59, 328965), (65, 298599), (91, 213285), (105, 184847), (177, 109655), (195, 99533), (241, 80535), (273, 71095), (295, 65793), (413, 46995), (455, 42657), (723, 26845), (767, 25305), (885, 21931), (1205, 16107), (1239, 15665), (1365, 14219), (1687, 11505), (2065, 9399), (2301, 8435), (3133, 6195), (3615, 5369), (3835, 5061)]