19366947820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{487}}^1\times {\mathrm{16433}}^1$

素因数の和:16951

約数の個数: 72

約数和(自身を含む): 44798558112

約数和(自身を除く): 25431610292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 487, 605, 974, 1210, 1948, 2420, 2435, 4870, 5357, 9740, 10714, 16433, 21428, 26785, 32866, 53570, 58927, 65732, 82165, 107140, 117854, 164330, 180763, 235708, 294635, 328660, 361526, 589270, 723052, 903815, 1178540, 1807630, 1988393, 3615260, 3976786, 7953572, 8002871, 9941965, 16005742, 19883930, 32011484, 39767860, 40014355, 80028710, 88031581, 160057420, 176063162, 352126324, 440157905, 880315810, 968347391, 1760631620, 1936694782, 3873389564, 4841736955, 9683473910, 19366947820]

約数ペア:

[(1, 19366947820), (2, 9683473910), (4, 4841736955), (5, 3873389564), (10, 1936694782), (11, 1760631620), (20, 968347391), (22, 880315810), (44, 440157905), (55, 352126324), (110, 176063162), (121, 160057420), (220, 88031581), (242, 80028710), (484, 40014355), (487, 39767860), (605, 32011484), (974, 19883930), (1210, 16005742), (1948, 9941965), (2420, 8002871), (2435, 7953572), (4870, 3976786), (5357, 3615260), (9740, 1988393), (10714, 1807630), (16433, 1178540), (21428, 903815), (26785, 723052), (32866, 589270), (53570, 361526), (58927, 328660), (65732, 294635), (82165, 235708), (107140, 180763), (117854, 164330)]