19489163900

素因数分解:

$2^2\times 5^2\times {\mathrm{241}}^1\times {\mathrm{808679}}^1$

素因数の和:808934

約数の個数: 36

約数和(自身を含む): 42467021520

約数和(自身を除く): 22977857620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 241, 482, 964, 1205, 2410, 4820, 6025, 12050, 24100, 808679, 1617358, 3234716, 4043395, 8086790, 16173580, 20216975, 40433950, 80867900, 194891639, 389783278, 779566556, 974458195, 1948916390, 3897832780, 4872290975, 9744581950, 19489163900]

約数ペア:

[(1, 19489163900), (2, 9744581950), (4, 4872290975), (5, 3897832780), (10, 1948916390), (20, 974458195), (25, 779566556), (50, 389783278), (100, 194891639), (241, 80867900), (482, 40433950), (964, 20216975), (1205, 16173580), (2410, 8086790), (4820, 4043395), (6025, 3234716), (12050, 1617358), (24100, 808679)]