18573740

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 40303872

約数和(自身を除く): 21730132

約数列:

[1, 2, 4, 5, 10, 20, 67, 83, 134, 166, 167, 268, 332, 334, 335, 415, 668, 670, 830, 835, 1340, 1660, 1670, 3340, 5561, 11122, 11189, 13861, 22244, 22378, 27722, 27805, 44756, 55444, 55610, 55945, 69305, 111220, 111890, 138610, 223780, 277220, 928687, 1857374, 3714748, 4643435, 9286870, 18573740]

約数ペア:

[(1, 18573740), (2, 9286870), (4, 4643435), (5, 3714748), (10, 1857374), (20, 928687), (67, 277220), (83, 223780), (134, 138610), (166, 111890), (167, 111220), (268, 69305), (332, 55945), (334, 55610), (335, 55444), (415, 44756), (668, 27805), (670, 27722), (830, 22378), (835, 22244), (1340, 13861), (1660, 11189), (1670, 11122), (3340, 5561)]