18837105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 37283328

約数和(自身を除く): 18446223

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 61, 85, 105, 119, 173, 183, 255, 305, 357, 427, 519, 595, 865, 915, 1037, 1211, 1281, 1785, 2135, 2595, 2941, 3111, 3633, 5185, 6055, 6405, 7259, 8823, 10553, 14705, 15555, 18165, 20587, 21777, 31659, 36295, 44115, 52765, 61761, 73871, 102935, 108885, 158295, 179401, 221613, 308805, 369355, 538203, 897005, 1108065, 1255807, 2691015, 3767421, 6279035, 18837105]

約数ペア:

[(1, 18837105), (3, 6279035), (5, 3767421), (7, 2691015), (15, 1255807), (17, 1108065), (21, 897005), (35, 538203), (51, 369355), (61, 308805), (85, 221613), (105, 179401), (119, 158295), (173, 108885), (183, 102935), (255, 73871), (305, 61761), (357, 52765), (427, 44115), (519, 36295), (595, 31659), (865, 21777), (915, 20587), (1037, 18165), (1211, 15555), (1281, 14705), (1785, 10553), (2135, 8823), (2595, 7259), (2941, 6405), (3111, 6055), (3633, 5185)]