19511250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{11}}^2\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 120

約数和(自身を含む): 54844944

約数和(自身を除く): 35333694

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 43, 50, 55, 66, 75, 86, 110, 121, 125, 129, 150, 165, 215, 242, 250, 258, 275, 330, 363, 375, 430, 473, 550, 605, 625, 645, 726, 750, 825, 946, 1075, 1210, 1250, 1290, 1375, 1419, 1650, 1815, 1875, 2150, 2365, 2750, 2838, 3025, 3225, 3630, 3750, 4125, 4730, 5203, 5375, 6050, 6450, 6875, 7095, 8250, 9075, 10406, 10750, 11825, 13750, 14190, 15125, 15609, 16125, 18150, 20625, 23650, 26015, 26875, 30250, 31218, 32250, 35475, 41250, 45375, 52030, 53750, 59125, 70950, 75625, 78045, 80625, 90750, 118250, 130075, 151250, 156090, 161250, 177375, 226875, 260150, 295625, 354750, 390225, 453750, 591250, 650375, 780450, 886875, 1300750, 1773750, 1951125, 3251875, 3902250, 6503750, 9755625, 19511250]

約数ペア:

[(1, 19511250), (2, 9755625), (3, 6503750), (5, 3902250), (6, 3251875), (10, 1951125), (11, 1773750), (15, 1300750), (22, 886875), (25, 780450), (30, 650375), (33, 591250), (43, 453750), (50, 390225), (55, 354750), (66, 295625), (75, 260150), (86, 226875), (110, 177375), (121, 161250), (125, 156090), (129, 151250), (150, 130075), (165, 118250), (215, 90750), (242, 80625), (250, 78045), (258, 75625), (275, 70950), (330, 59125), (363, 53750), (375, 52030), (430, 45375), (473, 41250), (550, 35475), (605, 32250), (625, 31218), (645, 30250), (726, 26875), (750, 26015), (825, 23650), (946, 20625), (1075, 18150), (1210, 16125), (1250, 15609), (1290, 15125), (1375, 14190), (1419, 13750), (1650, 11825), (1815, 10750), (1875, 10406), (2150, 9075), (2365, 8250), (2750, 7095), (2838, 6875), (3025, 6450), (3225, 6050), (3630, 5375), (3750, 5203), (4125, 4730)]