18374230478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1\times {\mathrm{911}}^1$

素因数の和:1493

約数の個数: 64

約数和(自身を含む): 31014420480

約数和(自身を除く): 12640190002

約数列:

[1, 2, 19, 23, 38, 46, 47, 94, 437, 491, 874, 893, 911, 982, 1081, 1786, 1822, 2162, 9329, 11293, 17309, 18658, 20539, 20953, 22586, 23077, 34618, 41078, 41906, 42817, 46154, 85634, 214567, 398107, 429134, 438463, 447301, 530771, 796214, 813523, 876926, 894602, 984791, 1061542, 1627046, 1969582, 8498719, 10084649, 10287923, 16997438, 18711029, 20169298, 20575846, 21023147, 37422058, 42046294, 195470537, 390941074, 399439793, 483532381, 798879586, 967064762, 9187115239, 18374230478]

約数ペア:

[(1, 18374230478), (2, 9187115239), (19, 967064762), (23, 798879586), (38, 483532381), (46, 399439793), (47, 390941074), (94, 195470537), (437, 42046294), (491, 37422058), (874, 21023147), (893, 20575846), (911, 20169298), (982, 18711029), (1081, 16997438), (1786, 10287923), (1822, 10084649), (2162, 8498719), (9329, 1969582), (11293, 1627046), (17309, 1061542), (18658, 984791), (20539, 894602), (20953, 876926), (22586, 813523), (23077, 796214), (34618, 530771), (41078, 447301), (41906, 438463), (42817, 429134), (46154, 398107), (85634, 214567)]