18311958

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 49061376

約数和(自身を除く): 30749418

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 83, 102, 103, 119, 126, 153, 166, 206, 238, 249, 306, 309, 357, 498, 581, 618, 714, 721, 747, 927, 1071, 1162, 1411, 1442, 1494, 1743, 1751, 1854, 2142, 2163, 2822, 3486, 3502, 4233, 4326, 5229, 5253, 6489, 8466, 8549, 9877, 10458, 10506, 12257, 12699, 12978, 15759, 17098, 19754, 24514, 25398, 25647, 29631, 31518, 36771, 51294, 59262, 59843, 73542, 76941, 88893, 110313, 119686, 145333, 153882, 177786, 179529, 220626, 290666, 359058, 435999, 538587, 871998, 1017331, 1077174, 1307997, 2034662, 2615994, 3051993, 6103986, 9155979, 18311958]

約数ペア:

[(1, 18311958), (2, 9155979), (3, 6103986), (6, 3051993), (7, 2615994), (9, 2034662), (14, 1307997), (17, 1077174), (18, 1017331), (21, 871998), (34, 538587), (42, 435999), (51, 359058), (63, 290666), (83, 220626), (102, 179529), (103, 177786), (119, 153882), (126, 145333), (153, 119686), (166, 110313), (206, 88893), (238, 76941), (249, 73542), (306, 59843), (309, 59262), (357, 51294), (498, 36771), (581, 31518), (618, 29631), (714, 25647), (721, 25398), (747, 24514), (927, 19754), (1071, 17098), (1162, 15759), (1411, 12978), (1442, 12699), (1494, 12257), (1743, 10506), (1751, 10458), (1854, 9877), (2142, 8549), (2163, 8466), (2822, 6489), (3486, 5253), (3502, 5229), (4233, 4326)]