18470515895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1\times {\mathrm{461}}^1$

素因数の和:956

約数の個数: 64

約数和(自身を含む): 25650535680

約数和(自身を除く): 7180019785

約数列:

[1, 5, 13, 17, 65, 85, 101, 221, 359, 461, 505, 1105, 1313, 1717, 1795, 2305, 4667, 5993, 6103, 6565, 7837, 8585, 22321, 23335, 29965, 30515, 36259, 39185, 46561, 79339, 101881, 111605, 165499, 181295, 232805, 396695, 471367, 509405, 605293, 616403, 791537, 827495, 2151487, 2356835, 2813483, 3026465, 3082015, 3957685, 8013239, 10289981, 10757435, 14067415, 16715399, 36575279, 40066195, 51449905, 83576995, 182876395, 217300187, 284161783, 1086500935, 1420808915, 3694103179, 18470515895]

約数ペア:

[(1, 18470515895), (5, 3694103179), (13, 1420808915), (17, 1086500935), (65, 284161783), (85, 217300187), (101, 182876395), (221, 83576995), (359, 51449905), (461, 40066195), (505, 36575279), (1105, 16715399), (1313, 14067415), (1717, 10757435), (1795, 10289981), (2305, 8013239), (4667, 3957685), (5993, 3082015), (6103, 3026465), (6565, 2813483), (7837, 2356835), (8585, 2151487), (22321, 827495), (23335, 791537), (29965, 616403), (30515, 605293), (36259, 509405), (39185, 471367), (46561, 396695), (79339, 232805), (101881, 181295), (111605, 165499)]