18817500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:233

約数の個数: 120

約数和(自身を含む): 59393488

約数和(自身を除く): 40575988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 193, 195, 250, 260, 300, 325, 375, 386, 390, 500, 579, 625, 650, 750, 772, 780, 965, 975, 1158, 1250, 1300, 1500, 1625, 1875, 1930, 1950, 2316, 2500, 2509, 2895, 3250, 3750, 3860, 3900, 4825, 4875, 5018, 5790, 6500, 7500, 7527, 8125, 9650, 9750, 10036, 11580, 12545, 14475, 15054, 16250, 19300, 19500, 24125, 24375, 25090, 28950, 30108, 32500, 37635, 48250, 48750, 50180, 57900, 62725, 72375, 75270, 96500, 97500, 120625, 125450, 144750, 150540, 188175, 241250, 250900, 289500, 313625, 361875, 376350, 482500, 627250, 723750, 752700, 940875, 1254500, 1447500, 1568125, 1881750, 3136250, 3763500, 4704375, 6272500, 9408750, 18817500]

約数ペア:

[(1, 18817500), (2, 9408750), (3, 6272500), (4, 4704375), (5, 3763500), (6, 3136250), (10, 1881750), (12, 1568125), (13, 1447500), (15, 1254500), (20, 940875), (25, 752700), (26, 723750), (30, 627250), (39, 482500), (50, 376350), (52, 361875), (60, 313625), (65, 289500), (75, 250900), (78, 241250), (100, 188175), (125, 150540), (130, 144750), (150, 125450), (156, 120625), (193, 97500), (195, 96500), (250, 75270), (260, 72375), (300, 62725), (325, 57900), (375, 50180), (386, 48750), (390, 48250), (500, 37635), (579, 32500), (625, 30108), (650, 28950), (750, 25090), (772, 24375), (780, 24125), (965, 19500), (975, 19300), (1158, 16250), (1250, 15054), (1300, 14475), (1500, 12545), (1625, 11580), (1875, 10036), (1930, 9750), (1950, 9650), (2316, 8125), (2500, 7527), (2509, 7500), (2895, 6500), (3250, 5790), (3750, 5018), (3860, 4875), (3900, 4825)]