19349757

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 36012600

約数和(自身を除く): 16662843

約数列:

[1, 3, 7, 9, 17, 21, 29, 49, 51, 63, 87, 89, 119, 147, 153, 203, 261, 267, 357, 441, 493, 609, 623, 801, 833, 1071, 1421, 1479, 1513, 1827, 1869, 2499, 2581, 3451, 4263, 4361, 4437, 4539, 5607, 7497, 7743, 10353, 10591, 12789, 13083, 13617, 18067, 23229, 24157, 31059, 31773, 39249, 43877, 54201, 72471, 74137, 95319, 126469, 131631, 162603, 217413, 222411, 307139, 379407, 394893, 667233, 921417, 1138221, 2149973, 2764251, 6449919, 19349757]

約数ペア:

[(1, 19349757), (3, 6449919), (7, 2764251), (9, 2149973), (17, 1138221), (21, 921417), (29, 667233), (49, 394893), (51, 379407), (63, 307139), (87, 222411), (89, 217413), (119, 162603), (147, 131631), (153, 126469), (203, 95319), (261, 74137), (267, 72471), (357, 54201), (441, 43877), (493, 39249), (609, 31773), (623, 31059), (801, 24157), (833, 23229), (1071, 18067), (1421, 13617), (1479, 13083), (1513, 12789), (1827, 10591), (1869, 10353), (2499, 7743), (2581, 7497), (3451, 5607), (4263, 4539), (4361, 4437)]