18503235

素因数分解:

$3^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 33817056

約数和(自身を除く): 15313821

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 97, 135, 157, 243, 291, 405, 471, 485, 785, 873, 1215, 1413, 1455, 2355, 2619, 4239, 4365, 7065, 7857, 12717, 13095, 15229, 21195, 23571, 38151, 39285, 45687, 63585, 76145, 117855, 137061, 190755, 228435, 411183, 685305, 1233549, 2055915, 3700647, 6167745, 18503235]

約数ペア:

[(1, 18503235), (3, 6167745), (5, 3700647), (9, 2055915), (15, 1233549), (27, 685305), (45, 411183), (81, 228435), (97, 190755), (135, 137061), (157, 117855), (243, 76145), (291, 63585), (405, 45687), (471, 39285), (485, 38151), (785, 23571), (873, 21195), (1215, 15229), (1413, 13095), (1455, 12717), (2355, 7857), (2619, 7065), (4239, 4365)]