18487950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:546

約数の個数: 96

約数和(自身を含む): 52080000

約数和(自身を除く): 33592050

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 25, 26, 30, 38, 39, 50, 57, 65, 75, 78, 95, 114, 130, 150, 190, 195, 247, 285, 325, 390, 475, 494, 499, 570, 650, 741, 950, 975, 998, 1235, 1425, 1482, 1497, 1950, 2470, 2495, 2850, 2994, 3705, 4990, 6175, 6487, 7410, 7485, 9481, 12350, 12475, 12974, 14970, 18525, 18962, 19461, 24950, 28443, 32435, 37050, 37425, 38922, 47405, 56886, 64870, 74850, 94810, 97305, 123253, 142215, 162175, 194610, 237025, 246506, 284430, 324350, 369759, 474050, 486525, 616265, 711075, 739518, 973050, 1232530, 1422150, 1848795, 3081325, 3697590, 6162650, 9243975, 18487950]

約数ペア:

[(1, 18487950), (2, 9243975), (3, 6162650), (5, 3697590), (6, 3081325), (10, 1848795), (13, 1422150), (15, 1232530), (19, 973050), (25, 739518), (26, 711075), (30, 616265), (38, 486525), (39, 474050), (50, 369759), (57, 324350), (65, 284430), (75, 246506), (78, 237025), (95, 194610), (114, 162175), (130, 142215), (150, 123253), (190, 97305), (195, 94810), (247, 74850), (285, 64870), (325, 56886), (390, 47405), (475, 38922), (494, 37425), (499, 37050), (570, 32435), (650, 28443), (741, 24950), (950, 19461), (975, 18962), (998, 18525), (1235, 14970), (1425, 12974), (1482, 12475), (1497, 12350), (1950, 9481), (2470, 7485), (2495, 7410), (2850, 6487), (2994, 6175), (3705, 4990)]