18421130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:711

約数の個数: 64

約数和(自身を含む): 42190848

約数和(自身を除く): 23769718

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 653, 806, 910, 1085, 1306, 2015, 2170, 2821, 3265, 4030, 4571, 5642, 6530, 8489, 9142, 14105, 16978, 20243, 22855, 28210, 40486, 42445, 45710, 59423, 84890, 101215, 118846, 141701, 202430, 263159, 283402, 297115, 526318, 594230, 708505, 1315795, 1417010, 1842113, 2631590, 3684226, 9210565, 18421130]

約数ペア:

[(1, 18421130), (2, 9210565), (5, 3684226), (7, 2631590), (10, 1842113), (13, 1417010), (14, 1315795), (26, 708505), (31, 594230), (35, 526318), (62, 297115), (65, 283402), (70, 263159), (91, 202430), (130, 141701), (155, 118846), (182, 101215), (217, 84890), (310, 59423), (403, 45710), (434, 42445), (455, 40486), (653, 28210), (806, 22855), (910, 20243), (1085, 16978), (1306, 14105), (2015, 9142), (2170, 8489), (2821, 6530), (3265, 5642), (4030, 4571)]