18967130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1097}}^1$

素因数の和:1143

約数の個数: 64

約数和(自身を含む): 44271360

約数和(自身を除く): 25304230

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1097, 1235, 1330, 1729, 2194, 2470, 3458, 5485, 7679, 8645, 10970, 14261, 15358, 17290, 20843, 28522, 38395, 41686, 71305, 76790, 99827, 104215, 142610, 145901, 199654, 208430, 270959, 291802, 499135, 541918, 729505, 998270, 1354795, 1459010, 1896713, 2709590, 3793426, 9483565, 18967130]

約数ペア:

[(1, 18967130), (2, 9483565), (5, 3793426), (7, 2709590), (10, 1896713), (13, 1459010), (14, 1354795), (19, 998270), (26, 729505), (35, 541918), (38, 499135), (65, 291802), (70, 270959), (91, 208430), (95, 199654), (130, 145901), (133, 142610), (182, 104215), (190, 99827), (247, 76790), (266, 71305), (455, 41686), (494, 38395), (665, 28522), (910, 20843), (1097, 17290), (1235, 15358), (1330, 14261), (1729, 10970), (2194, 8645), (2470, 7679), (3458, 5485)]