19927230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{953}}^1$

素因数の和:1021

約数の個数: 64

約数和(自身を含む): 51928128

約数和(自身を除く): 32000898

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 41, 51, 82, 85, 102, 123, 170, 205, 246, 255, 410, 510, 615, 697, 953, 1230, 1394, 1906, 2091, 2859, 3485, 4182, 4765, 5718, 6970, 9530, 10455, 14295, 16201, 20910, 28590, 32402, 39073, 48603, 78146, 81005, 97206, 117219, 162010, 195365, 234438, 243015, 390730, 486030, 586095, 664241, 1172190, 1328482, 1992723, 3321205, 3985446, 6642410, 9963615, 19927230]

約数ペア:

[(1, 19927230), (2, 9963615), (3, 6642410), (5, 3985446), (6, 3321205), (10, 1992723), (15, 1328482), (17, 1172190), (30, 664241), (34, 586095), (41, 486030), (51, 390730), (82, 243015), (85, 234438), (102, 195365), (123, 162010), (170, 117219), (205, 97206), (246, 81005), (255, 78146), (410, 48603), (510, 39073), (615, 32402), (697, 28590), (953, 20910), (1230, 16201), (1394, 14295), (1906, 10455), (2091, 9530), (2859, 6970), (3485, 5718), (4182, 4765)]