18942050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 37616640

約数和(自身を除く): 18674590

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 127, 157, 190, 254, 314, 475, 635, 785, 950, 1270, 1570, 2413, 2983, 3175, 3925, 4826, 5966, 6350, 7850, 12065, 14915, 19939, 24130, 29830, 39878, 60325, 74575, 99695, 120650, 149150, 199390, 378841, 498475, 757682, 996950, 1894205, 3788410, 9471025, 18942050]

約数ペア:

[(1, 18942050), (2, 9471025), (5, 3788410), (10, 1894205), (19, 996950), (25, 757682), (38, 498475), (50, 378841), (95, 199390), (127, 149150), (157, 120650), (190, 99695), (254, 74575), (314, 60325), (475, 39878), (635, 29830), (785, 24130), (950, 19939), (1270, 14915), (1570, 12065), (2413, 7850), (2983, 6350), (3175, 5966), (3925, 4826)]