18138063.000000000

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:423

約数の個数: 80

約数和(自身を含む): 478094400

約数和(自身を除く): 263561744

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 169, 208, 221, 272, 338, 359, 442, 676, 718, 884, 1352, 1436, 1768, 2197, 2704, 2872, 2873, 3536, 4394, 4667, 5744, 5746, 6103, 8788, 9334, 11492, 12206, 17576, 18668, 22984, 24412, 35152, 37336, 37349, 45968, 48824, 60671, 74672, 74698, 79339, 97648, 121342, 149396, 158678, 242684, 298792, 317356, 485368, 597584, 634712, 788723, 970736, 1031407, 1269424, 1577446, 2062814, 3154892, 4125628, 6309784, 8251256, 12619568, 13408291, 16502512, 26816582, 53633164, 107266328, 214532656]

約数ペア:

[(1, 214532656), (2, 107266328), (4, 53633164), (8, 26816582), (13, 16502512), (16, 13408291), (17, 12619568), (26, 8251256), (34, 6309784), (52, 4125628), (68, 3154892), (104, 2062814), (136, 1577446), (169, 1269424), (208, 1031407), (221, 970736), (272, 788723), (338, 634712), (359, 597584), (442, 485368), (676, 317356), (718, 298792), (884, 242684), (1352, 158678), (1436, 149396), (1768, 121342), (2197, 97648), (2704, 79339), (2872, 74698), (2873, 74672), (3536, 60671), (4394, 48824), (4667, 45968), (5744, 37349), (5746, 37336), (6103, 35152), (8788, 24412), (9334, 22984), (11492, 18668), (12206, 17576)]