18975690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 52565760

約数和(自身を除く): 33590070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 89, 90, 103, 115, 138, 178, 206, 207, 230, 267, 309, 345, 414, 445, 515, 534, 618, 690, 801, 890, 927, 1030, 1035, 1335, 1545, 1602, 1854, 2047, 2070, 2369, 2670, 3090, 4005, 4094, 4635, 4738, 6141, 7107, 8010, 9167, 9270, 10235, 11845, 12282, 14214, 18334, 18423, 20470, 21321, 23690, 27501, 30705, 35535, 36846, 42642, 45835, 55002, 61410, 71070, 82503, 91670, 92115, 106605, 137505, 165006, 184230, 210841, 213210, 275010, 412515, 421682, 632523, 825030, 1054205, 1265046, 1897569, 2108410, 3162615, 3795138, 6325230, 9487845, 18975690]

約数ペア:

[(1, 18975690), (2, 9487845), (3, 6325230), (5, 3795138), (6, 3162615), (9, 2108410), (10, 1897569), (15, 1265046), (18, 1054205), (23, 825030), (30, 632523), (45, 421682), (46, 412515), (69, 275010), (89, 213210), (90, 210841), (103, 184230), (115, 165006), (138, 137505), (178, 106605), (206, 92115), (207, 91670), (230, 82503), (267, 71070), (309, 61410), (345, 55002), (414, 45835), (445, 42642), (515, 36846), (534, 35535), (618, 30705), (690, 27501), (801, 23690), (890, 21321), (927, 20470), (1030, 18423), (1035, 18334), (1335, 14214), (1545, 12282), (1602, 11845), (1854, 10235), (2047, 9270), (2070, 9167), (2369, 8010), (2670, 7107), (3090, 6141), (4005, 4738), (4094, 4635)]