18896010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 56401920

約数和(自身を除く): 37505910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 67, 70, 79, 85, 102, 105, 119, 134, 158, 170, 201, 210, 237, 238, 255, 335, 357, 395, 402, 469, 474, 510, 553, 595, 670, 714, 790, 938, 1005, 1106, 1139, 1185, 1190, 1343, 1407, 1659, 1785, 2010, 2278, 2345, 2370, 2686, 2765, 2814, 3318, 3417, 3570, 4029, 4690, 5293, 5530, 5695, 6715, 6834, 7035, 7973, 8058, 8295, 9401, 10586, 11390, 13430, 14070, 15879, 15946, 16590, 17085, 18802, 20145, 23919, 26465, 28203, 31758, 34170, 37051, 39865, 40290, 47005, 47838, 52930, 56406, 74102, 79395, 79730, 89981, 94010, 111153, 119595, 141015, 158790, 179962, 185255, 222306, 239190, 269943, 282030, 370510, 449905, 539886, 555765, 629867, 899810, 1111530, 1259734, 1349715, 1889601, 2699430, 3149335, 3779202, 6298670, 9448005, 18896010]

約数ペア:

[(1, 18896010), (2, 9448005), (3, 6298670), (5, 3779202), (6, 3149335), (7, 2699430), (10, 1889601), (14, 1349715), (15, 1259734), (17, 1111530), (21, 899810), (30, 629867), (34, 555765), (35, 539886), (42, 449905), (51, 370510), (67, 282030), (70, 269943), (79, 239190), (85, 222306), (102, 185255), (105, 179962), (119, 158790), (134, 141015), (158, 119595), (170, 111153), (201, 94010), (210, 89981), (237, 79730), (238, 79395), (255, 74102), (335, 56406), (357, 52930), (395, 47838), (402, 47005), (469, 40290), (474, 39865), (510, 37051), (553, 34170), (595, 31758), (670, 28203), (714, 26465), (790, 23919), (938, 20145), (1005, 18802), (1106, 17085), (1139, 16590), (1185, 15946), (1190, 15879), (1343, 14070), (1407, 13430), (1659, 11390), (1785, 10586), (2010, 9401), (2278, 8295), (2345, 8058), (2370, 7973), (2686, 7035), (2765, 6834), (2814, 6715), (3318, 5695), (3417, 5530), (3570, 5293), (4029, 4690)]