18119140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 41291712

約数和(自身を除く): 23172572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 227, 260, 307, 454, 614, 908, 1135, 1228, 1535, 2270, 2951, 3070, 3991, 4540, 5902, 6140, 7982, 11804, 14755, 15964, 19955, 29510, 39910, 59020, 69689, 79820, 139378, 278756, 348445, 696890, 905957, 1393780, 1811914, 3623828, 4529785, 9059570, 18119140]

約数ペア:

[(1, 18119140), (2, 9059570), (4, 4529785), (5, 3623828), (10, 1811914), (13, 1393780), (20, 905957), (26, 696890), (52, 348445), (65, 278756), (130, 139378), (227, 79820), (260, 69689), (307, 59020), (454, 39910), (614, 29510), (908, 19955), (1135, 15964), (1228, 14755), (1535, 11804), (2270, 7982), (2951, 6140), (3070, 5902), (3991, 4540)]