19246040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 52254720

約数和(自身を除く): 33008680

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 83, 85, 88, 110, 124, 136, 155, 166, 170, 187, 220, 248, 310, 332, 340, 341, 374, 415, 440, 527, 620, 664, 680, 682, 748, 830, 913, 935, 1054, 1240, 1364, 1411, 1496, 1660, 1705, 1826, 1870, 2108, 2573, 2635, 2728, 2822, 3320, 3410, 3652, 3740, 4216, 4565, 5146, 5270, 5644, 5797, 6820, 7055, 7304, 7480, 9130, 10292, 10540, 11288, 11594, 12865, 13640, 14110, 15521, 18260, 20584, 21080, 23188, 25730, 28220, 28303, 28985, 31042, 36520, 43741, 46376, 51460, 56440, 56606, 57970, 62084, 77605, 87482, 102920, 113212, 115940, 124168, 141515, 155210, 174964, 218705, 226424, 231880, 283030, 310420, 349928, 437410, 481151, 566060, 620840, 874820, 962302, 1132120, 1749640, 1924604, 2405755, 3849208, 4811510, 9623020, 19246040]

約数ペア:

[(1, 19246040), (2, 9623020), (4, 4811510), (5, 3849208), (8, 2405755), (10, 1924604), (11, 1749640), (17, 1132120), (20, 962302), (22, 874820), (31, 620840), (34, 566060), (40, 481151), (44, 437410), (55, 349928), (62, 310420), (68, 283030), (83, 231880), (85, 226424), (88, 218705), (110, 174964), (124, 155210), (136, 141515), (155, 124168), (166, 115940), (170, 113212), (187, 102920), (220, 87482), (248, 77605), (310, 62084), (332, 57970), (340, 56606), (341, 56440), (374, 51460), (415, 46376), (440, 43741), (527, 36520), (620, 31042), (664, 28985), (680, 28303), (682, 28220), (748, 25730), (830, 23188), (913, 21080), (935, 20584), (1054, 18260), (1240, 15521), (1364, 14110), (1411, 13640), (1496, 12865), (1660, 11594), (1705, 11288), (1826, 10540), (1870, 10292), (2108, 9130), (2573, 7480), (2635, 7304), (2728, 7055), (2822, 6820), (3320, 5797), (3410, 5644), (3652, 5270), (3740, 5146), (4216, 4565)]