18475164

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 49768992

約数和(自身を除く): 31293828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 53, 69, 92, 106, 138, 159, 207, 212, 276, 318, 414, 421, 477, 636, 828, 842, 954, 1219, 1263, 1684, 1908, 2438, 2526, 3657, 3789, 4876, 5052, 7314, 7578, 9683, 10971, 14628, 15156, 19366, 21942, 22313, 29049, 38732, 43884, 44626, 58098, 66939, 87147, 89252, 116196, 133878, 174294, 200817, 267756, 348588, 401634, 513199, 803268, 1026398, 1539597, 2052796, 3079194, 4618791, 6158388, 9237582, 18475164]

約数ペア:

[(1, 18475164), (2, 9237582), (3, 6158388), (4, 4618791), (6, 3079194), (9, 2052796), (12, 1539597), (18, 1026398), (23, 803268), (36, 513199), (46, 401634), (53, 348588), (69, 267756), (92, 200817), (106, 174294), (138, 133878), (159, 116196), (207, 89252), (212, 87147), (276, 66939), (318, 58098), (414, 44626), (421, 43884), (477, 38732), (636, 29049), (828, 22313), (842, 21942), (954, 19366), (1219, 15156), (1263, 14628), (1684, 10971), (1908, 9683), (2438, 7578), (2526, 7314), (3657, 5052), (3789, 4876)]