19258960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^3$

素因数の和:78

約数の個数: 120

約数和(自身を含む): 55342440

約数和(自身を除く): 36083480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 289, 340, 392, 476, 490, 560, 578, 595, 680, 784, 833, 952, 980, 1156, 1190, 1360, 1445, 1666, 1904, 1960, 2023, 2312, 2380, 2890, 3332, 3920, 4046, 4165, 4624, 4760, 4913, 5780, 6664, 8092, 8330, 9520, 9826, 10115, 11560, 13328, 14161, 16184, 16660, 19652, 20230, 23120, 24565, 28322, 32368, 33320, 34391, 39304, 40460, 49130, 56644, 66640, 68782, 70805, 78608, 80920, 98260, 113288, 137564, 141610, 161840, 171955, 196520, 226576, 240737, 275128, 283220, 343910, 393040, 481474, 550256, 566440, 687820, 962948, 1132880, 1203685, 1375640, 1925896, 2407370, 2751280, 3851792, 4814740, 9629480, 19258960]

約数ペア:

[(1, 19258960), (2, 9629480), (4, 4814740), (5, 3851792), (7, 2751280), (8, 2407370), (10, 1925896), (14, 1375640), (16, 1203685), (17, 1132880), (20, 962948), (28, 687820), (34, 566440), (35, 550256), (40, 481474), (49, 393040), (56, 343910), (68, 283220), (70, 275128), (80, 240737), (85, 226576), (98, 196520), (112, 171955), (119, 161840), (136, 141610), (140, 137564), (170, 113288), (196, 98260), (238, 80920), (245, 78608), (272, 70805), (280, 68782), (289, 66640), (340, 56644), (392, 49130), (476, 40460), (490, 39304), (560, 34391), (578, 33320), (595, 32368), (680, 28322), (784, 24565), (833, 23120), (952, 20230), (980, 19652), (1156, 16660), (1190, 16184), (1360, 14161), (1445, 13328), (1666, 11560), (1904, 10115), (1960, 9826), (2023, 9520), (2312, 8330), (2380, 8092), (2890, 6664), (3332, 5780), (3920, 4913), (4046, 4760), (4165, 4624)]