18234765

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 33274800

約数和(自身を除く): 15040035

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 89, 145, 157, 261, 267, 435, 445, 471, 785, 801, 1305, 1335, 1413, 2355, 2581, 4005, 4553, 7065, 7743, 12905, 13659, 13973, 22765, 23229, 38715, 40977, 41919, 68295, 69865, 116145, 125757, 204885, 209595, 405217, 628785, 1215651, 2026085, 3646953, 6078255, 18234765]

約数ペア:

[(1, 18234765), (3, 6078255), (5, 3646953), (9, 2026085), (15, 1215651), (29, 628785), (45, 405217), (87, 209595), (89, 204885), (145, 125757), (157, 116145), (261, 69865), (267, 68295), (435, 41919), (445, 40977), (471, 38715), (785, 23229), (801, 22765), (1305, 13973), (1335, 13659), (1413, 12905), (2355, 7743), (2581, 7065), (4005, 4553)]