18842300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 44163840

約数和(自身を除く): 25321540

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 47, 50, 76, 94, 95, 100, 188, 190, 211, 235, 380, 422, 470, 475, 844, 893, 940, 950, 1055, 1175, 1786, 1900, 2110, 2350, 3572, 4009, 4220, 4465, 4700, 5275, 8018, 8930, 9917, 10550, 16036, 17860, 19834, 20045, 21100, 22325, 39668, 40090, 44650, 49585, 80180, 89300, 99170, 100225, 188423, 198340, 200450, 247925, 376846, 400900, 495850, 753692, 942115, 991700, 1884230, 3768460, 4710575, 9421150, 18842300]

約数ペア:

[(1, 18842300), (2, 9421150), (4, 4710575), (5, 3768460), (10, 1884230), (19, 991700), (20, 942115), (25, 753692), (38, 495850), (47, 400900), (50, 376846), (76, 247925), (94, 200450), (95, 198340), (100, 188423), (188, 100225), (190, 99170), (211, 89300), (235, 80180), (380, 49585), (422, 44650), (470, 40090), (475, 39668), (844, 22325), (893, 21100), (940, 20045), (950, 19834), (1055, 17860), (1175, 16036), (1786, 10550), (1900, 9917), (2110, 8930), (2350, 8018), (3572, 5275), (4009, 4700), (4220, 4465)]