11893180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 27165600

約数和(自身を除く): 15272420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 307, 596, 614, 745, 1228, 1490, 1535, 1937, 2980, 3070, 3874, 3991, 6140, 7748, 7982, 9685, 15964, 19370, 19955, 38740, 39910, 45743, 79820, 91486, 182972, 228715, 457430, 594659, 914860, 1189318, 2378636, 2973295, 5946590, 11893180]

約数ペア:

[(1, 11893180), (2, 5946590), (4, 2973295), (5, 2378636), (10, 1189318), (13, 914860), (20, 594659), (26, 457430), (52, 228715), (65, 182972), (130, 91486), (149, 79820), (260, 45743), (298, 39910), (307, 38740), (596, 19955), (614, 19370), (745, 15964), (1228, 9685), (1490, 7982), (1535, 7748), (1937, 6140), (2980, 3991), (3070, 3874)]