18218150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 36188160

約数和(自身を除く): 17970010

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 127, 151, 190, 254, 302, 475, 635, 755, 950, 1270, 1510, 2413, 2869, 3175, 3775, 4826, 5738, 6350, 7550, 12065, 14345, 19177, 24130, 28690, 38354, 60325, 71725, 95885, 120650, 143450, 191770, 364363, 479425, 728726, 958850, 1821815, 3643630, 9109075, 18218150]

約数ペア:

[(1, 18218150), (2, 9109075), (5, 3643630), (10, 1821815), (19, 958850), (25, 728726), (38, 479425), (50, 364363), (95, 191770), (127, 143450), (151, 120650), (190, 95885), (254, 71725), (302, 60325), (475, 38354), (635, 28690), (755, 24130), (950, 19177), (1270, 14345), (1510, 12065), (2413, 7550), (2869, 6350), (3175, 5738), (3775, 4826)]