19612740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{953}}^1$

素因数の和:986

約数の個数: 96

約数和(自身を含む): 64108800

約数和(自身を除く): 44496060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 953, 980, 1029, 1372, 1470, 1715, 1906, 2058, 2859, 2940, 3430, 3812, 4116, 4765, 5145, 5718, 6671, 6860, 9530, 10290, 11436, 13342, 14295, 19060, 20013, 20580, 26684, 28590, 33355, 40026, 46697, 57180, 66710, 80052, 93394, 100065, 133420, 140091, 186788, 200130, 233485, 280182, 326879, 400260, 466970, 560364, 653758, 700455, 933940, 980637, 1307516, 1400910, 1634395, 1961274, 2801820, 3268790, 3922548, 4903185, 6537580, 9806370, 19612740]

約数ペア:

[(1, 19612740), (2, 9806370), (3, 6537580), (4, 4903185), (5, 3922548), (6, 3268790), (7, 2801820), (10, 1961274), (12, 1634395), (14, 1400910), (15, 1307516), (20, 980637), (21, 933940), (28, 700455), (30, 653758), (35, 560364), (42, 466970), (49, 400260), (60, 326879), (70, 280182), (84, 233485), (98, 200130), (105, 186788), (140, 140091), (147, 133420), (196, 100065), (210, 93394), (245, 80052), (294, 66710), (343, 57180), (420, 46697), (490, 40026), (588, 33355), (686, 28590), (735, 26684), (953, 20580), (980, 20013), (1029, 19060), (1372, 14295), (1470, 13342), (1715, 11436), (1906, 10290), (2058, 9530), (2859, 6860), (2940, 6671), (3430, 5718), (3812, 5145), (4116, 4765)]