18772140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 55996416

約数和(自身を除く): 37224276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 61, 69, 92, 115, 122, 138, 183, 223, 230, 244, 276, 305, 345, 366, 446, 460, 610, 669, 690, 732, 892, 915, 1115, 1220, 1338, 1380, 1403, 1830, 2230, 2676, 2806, 3345, 3660, 4209, 4460, 5129, 5612, 6690, 7015, 8418, 10258, 13380, 13603, 14030, 15387, 16836, 20516, 21045, 25645, 27206, 28060, 30774, 40809, 42090, 51290, 54412, 61548, 68015, 76935, 81618, 84180, 102580, 136030, 153870, 163236, 204045, 272060, 307740, 312869, 408090, 625738, 816180, 938607, 1251476, 1564345, 1877214, 3128690, 3754428, 4693035, 6257380, 9386070, 18772140]

約数ペア:

[(1, 18772140), (2, 9386070), (3, 6257380), (4, 4693035), (5, 3754428), (6, 3128690), (10, 1877214), (12, 1564345), (15, 1251476), (20, 938607), (23, 816180), (30, 625738), (46, 408090), (60, 312869), (61, 307740), (69, 272060), (92, 204045), (115, 163236), (122, 153870), (138, 136030), (183, 102580), (223, 84180), (230, 81618), (244, 76935), (276, 68015), (305, 61548), (345, 54412), (366, 51290), (446, 42090), (460, 40809), (610, 30774), (669, 28060), (690, 27206), (732, 25645), (892, 21045), (915, 20516), (1115, 16836), (1220, 15387), (1338, 14030), (1380, 13603), (1403, 13380), (1830, 10258), (2230, 8418), (2676, 7015), (2806, 6690), (3345, 5612), (3660, 5129), (4209, 4460)]