19754850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 53139456

約数和(自身を除く): 33384606

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 61, 75, 85, 102, 122, 127, 150, 170, 183, 254, 255, 305, 366, 381, 425, 510, 610, 635, 762, 850, 915, 1037, 1270, 1275, 1525, 1830, 1905, 2074, 2159, 2550, 3050, 3111, 3175, 3810, 4318, 4575, 5185, 6222, 6350, 6477, 7747, 9150, 9525, 10370, 10795, 12954, 15494, 15555, 19050, 21590, 23241, 25925, 31110, 32385, 38735, 46482, 51850, 53975, 64770, 77470, 77775, 107950, 116205, 131699, 155550, 161925, 193675, 232410, 263398, 323850, 387350, 395097, 581025, 658495, 790194, 1162050, 1316990, 1975485, 3292475, 3950970, 6584950, 9877425, 19754850]

約数ペア:

[(1, 19754850), (2, 9877425), (3, 6584950), (5, 3950970), (6, 3292475), (10, 1975485), (15, 1316990), (17, 1162050), (25, 790194), (30, 658495), (34, 581025), (50, 395097), (51, 387350), (61, 323850), (75, 263398), (85, 232410), (102, 193675), (122, 161925), (127, 155550), (150, 131699), (170, 116205), (183, 107950), (254, 77775), (255, 77470), (305, 64770), (366, 53975), (381, 51850), (425, 46482), (510, 38735), (610, 32385), (635, 31110), (762, 25925), (850, 23241), (915, 21590), (1037, 19050), (1270, 15555), (1275, 15494), (1525, 12954), (1830, 10795), (1905, 10370), (2074, 9525), (2159, 9150), (2550, 7747), (3050, 6477), (3111, 6350), (3175, 6222), (3810, 5185), (4318, 4575)]