19813410

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:481

約数の個数: 80

約数和(自身を含む): 54284472

約数和(自身を除く): 34471062

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 81, 90, 122, 135, 162, 183, 270, 305, 366, 401, 405, 549, 610, 802, 810, 915, 1098, 1203, 1647, 1830, 2005, 2406, 2745, 3294, 3609, 4010, 4941, 5490, 6015, 7218, 8235, 9882, 10827, 12030, 16470, 18045, 21654, 24461, 24705, 32481, 36090, 48922, 49410, 54135, 64962, 73383, 108270, 122305, 146766, 162405, 220149, 244610, 324810, 366915, 440298, 660447, 733830, 1100745, 1320894, 1981341, 2201490, 3302235, 3962682, 6604470, 9906705, 19813410]

約数ペア:

[(1, 19813410), (2, 9906705), (3, 6604470), (5, 3962682), (6, 3302235), (9, 2201490), (10, 1981341), (15, 1320894), (18, 1100745), (27, 733830), (30, 660447), (45, 440298), (54, 366915), (61, 324810), (81, 244610), (90, 220149), (122, 162405), (135, 146766), (162, 122305), (183, 108270), (270, 73383), (305, 64962), (366, 54135), (401, 49410), (405, 48922), (549, 36090), (610, 32481), (802, 24705), (810, 24461), (915, 21654), (1098, 18045), (1203, 16470), (1647, 12030), (1830, 10827), (2005, 9882), (2406, 8235), (2745, 7218), (3294, 6015), (3609, 5490), (4010, 4941)]