19251100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 108

約数和(自身を含む): 48255592

約数和(自身を除く): 29004492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 37, 43, 44, 50, 55, 74, 86, 100, 110, 121, 148, 172, 185, 215, 220, 242, 275, 370, 407, 430, 473, 484, 550, 605, 740, 814, 860, 925, 946, 1075, 1100, 1210, 1591, 1628, 1850, 1892, 2035, 2150, 2365, 2420, 3025, 3182, 3700, 4070, 4300, 4477, 4730, 5203, 6050, 6364, 7955, 8140, 8954, 9460, 10175, 10406, 11825, 12100, 15910, 17501, 17908, 20350, 20812, 22385, 23650, 26015, 31820, 35002, 39775, 40700, 44770, 47300, 52030, 70004, 79550, 87505, 89540, 104060, 111925, 130075, 159100, 175010, 192511, 223850, 260150, 350020, 385022, 437525, 447700, 520300, 770044, 875050, 962555, 1750100, 1925110, 3850220, 4812775, 9625550, 19251100]

約数ペア:

[(1, 19251100), (2, 9625550), (4, 4812775), (5, 3850220), (10, 1925110), (11, 1750100), (20, 962555), (22, 875050), (25, 770044), (37, 520300), (43, 447700), (44, 437525), (50, 385022), (55, 350020), (74, 260150), (86, 223850), (100, 192511), (110, 175010), (121, 159100), (148, 130075), (172, 111925), (185, 104060), (215, 89540), (220, 87505), (242, 79550), (275, 70004), (370, 52030), (407, 47300), (430, 44770), (473, 40700), (484, 39775), (550, 35002), (605, 31820), (740, 26015), (814, 23650), (860, 22385), (925, 20812), (946, 20350), (1075, 17908), (1100, 17501), (1210, 15910), (1591, 12100), (1628, 11825), (1850, 10406), (1892, 10175), (2035, 9460), (2150, 8954), (2365, 8140), (2420, 7955), (3025, 6364), (3182, 6050), (3700, 5203), (4070, 4730), (4300, 4477)]