18169890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 28278750

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 127, 190, 251, 254, 285, 381, 502, 570, 635, 753, 762, 1255, 1270, 1506, 1905, 2413, 2510, 3765, 3810, 4769, 4826, 7239, 7530, 9538, 12065, 14307, 14478, 23845, 24130, 28614, 31877, 36195, 47690, 63754, 71535, 72390, 95631, 143070, 159385, 191262, 318770, 478155, 605663, 956310, 1211326, 1816989, 3028315, 3633978, 6056630, 9084945, 18169890]

約数ペア:

[(1, 18169890), (2, 9084945), (3, 6056630), (5, 3633978), (6, 3028315), (10, 1816989), (15, 1211326), (19, 956310), (30, 605663), (38, 478155), (57, 318770), (95, 191262), (114, 159385), (127, 143070), (190, 95631), (251, 72390), (254, 71535), (285, 63754), (381, 47690), (502, 36195), (570, 31877), (635, 28614), (753, 24130), (762, 23845), (1255, 14478), (1270, 14307), (1506, 12065), (1905, 9538), (2413, 7530), (2510, 7239), (3765, 4826), (3810, 4769)]