18252988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 17944292

約数列:

[1, 2, 4, 13, 26, 37, 52, 53, 74, 106, 148, 179, 212, 358, 481, 689, 716, 962, 1378, 1924, 1961, 2327, 2756, 3922, 4654, 6623, 7844, 9308, 9487, 13246, 18974, 25493, 26492, 37948, 50986, 86099, 101972, 123331, 172198, 246662, 344396, 351019, 493324, 702038, 1404076, 4563247, 9126494, 18252988]

約数ペア:

[(1, 18252988), (2, 9126494), (4, 4563247), (13, 1404076), (26, 702038), (37, 493324), (52, 351019), (53, 344396), (74, 246662), (106, 172198), (148, 123331), (179, 101972), (212, 86099), (358, 50986), (481, 37948), (689, 26492), (716, 25493), (962, 18974), (1378, 13246), (1924, 9487), (1961, 9308), (2327, 7844), (2756, 6623), (3922, 4654)]