18987150

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 58817664

約数和(自身を除く): 39830514

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 50, 65, 70, 75, 78, 91, 105, 107, 130, 150, 169, 175, 182, 195, 210, 214, 273, 321, 325, 338, 350, 390, 455, 507, 525, 535, 546, 642, 650, 749, 845, 910, 975, 1014, 1050, 1070, 1183, 1365, 1391, 1498, 1605, 1690, 1950, 2247, 2275, 2366, 2535, 2675, 2730, 2782, 3210, 3549, 3745, 4173, 4225, 4494, 4550, 5070, 5350, 5915, 6825, 6955, 7098, 7490, 8025, 8346, 8450, 9737, 11235, 11830, 12675, 13650, 13910, 16050, 17745, 18083, 18725, 19474, 20865, 22470, 25350, 29211, 29575, 34775, 35490, 36166, 37450, 41730, 48685, 54249, 56175, 58422, 59150, 69550, 88725, 90415, 97370, 104325, 108498, 112350, 126581, 146055, 177450, 180830, 208650, 243425, 253162, 271245, 292110, 379743, 452075, 486850, 542490, 632905, 730275, 759486, 904150, 1265810, 1356225, 1460550, 1898715, 2712450, 3164525, 3797430, 6329050, 9493575, 18987150]

約数ペア:

[(1, 18987150), (2, 9493575), (3, 6329050), (5, 3797430), (6, 3164525), (7, 2712450), (10, 1898715), (13, 1460550), (14, 1356225), (15, 1265810), (21, 904150), (25, 759486), (26, 730275), (30, 632905), (35, 542490), (39, 486850), (42, 452075), (50, 379743), (65, 292110), (70, 271245), (75, 253162), (78, 243425), (91, 208650), (105, 180830), (107, 177450), (130, 146055), (150, 126581), (169, 112350), (175, 108498), (182, 104325), (195, 97370), (210, 90415), (214, 88725), (273, 69550), (321, 59150), (325, 58422), (338, 56175), (350, 54249), (390, 48685), (455, 41730), (507, 37450), (525, 36166), (535, 35490), (546, 34775), (642, 29575), (650, 29211), (749, 25350), (845, 22470), (910, 20865), (975, 19474), (1014, 18725), (1050, 18083), (1070, 17745), (1183, 16050), (1365, 13910), (1391, 13650), (1498, 12675), (1605, 11830), (1690, 11235), (1950, 9737), (2247, 8450), (2275, 8346), (2366, 8025), (2535, 7490), (2675, 7098), (2730, 6955), (2782, 6825), (3210, 5915), (3549, 5350), (3745, 5070), (4173, 4550), (4225, 4494)]