18198466

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 35925120

約数和(自身を除く): 17726654

約数列:

[1, 2, 11, 13, 17, 19, 22, 26, 34, 38, 143, 187, 197, 209, 221, 247, 286, 323, 374, 394, 418, 442, 494, 646, 2167, 2431, 2561, 2717, 3349, 3553, 3743, 4199, 4334, 4862, 5122, 5434, 6698, 7106, 7486, 8398, 28171, 36839, 41173, 43537, 46189, 48659, 56342, 63631, 73678, 82346, 87074, 92378, 97318, 127262, 478907, 535249, 699941, 827203, 957814, 1070498, 1399882, 1654406, 9099233, 18198466]

約数ペア:

[(1, 18198466), (2, 9099233), (11, 1654406), (13, 1399882), (17, 1070498), (19, 957814), (22, 827203), (26, 699941), (34, 535249), (38, 478907), (143, 127262), (187, 97318), (197, 92378), (209, 87074), (221, 82346), (247, 73678), (286, 63631), (323, 56342), (374, 48659), (394, 46189), (418, 43537), (442, 41173), (494, 36839), (646, 28171), (2167, 8398), (2431, 7486), (2561, 7106), (2717, 6698), (3349, 5434), (3553, 5122), (3743, 4862), (4199, 4334)]