18939708

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 50210160

約数和(自身を除く): 31270452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 59, 74, 111, 118, 148, 177, 222, 236, 241, 333, 354, 444, 482, 531, 666, 708, 723, 964, 1062, 1332, 1446, 2124, 2169, 2183, 2892, 4338, 4366, 6549, 8676, 8732, 8917, 13098, 14219, 17834, 19647, 26196, 26751, 28438, 35668, 39294, 42657, 53502, 56876, 78588, 80253, 85314, 107004, 127971, 160506, 170628, 255942, 321012, 511884, 526103, 1052206, 1578309, 2104412, 3156618, 4734927, 6313236, 9469854, 18939708]

約数ペア:

[(1, 18939708), (2, 9469854), (3, 6313236), (4, 4734927), (6, 3156618), (9, 2104412), (12, 1578309), (18, 1052206), (36, 526103), (37, 511884), (59, 321012), (74, 255942), (111, 170628), (118, 160506), (148, 127971), (177, 107004), (222, 85314), (236, 80253), (241, 78588), (333, 56876), (354, 53502), (444, 42657), (482, 39294), (531, 35668), (666, 28438), (708, 26751), (723, 26196), (964, 19647), (1062, 17834), (1332, 14219), (1446, 13098), (2124, 8917), (2169, 8732), (2183, 8676), (2892, 6549), (4338, 4366)]