17987490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 50281920

約数和(自身を除く): 32294430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 67, 90, 95, 114, 134, 157, 171, 190, 201, 285, 314, 335, 342, 402, 471, 570, 603, 670, 785, 855, 942, 1005, 1206, 1273, 1413, 1570, 1710, 2010, 2355, 2546, 2826, 2983, 3015, 3819, 4710, 5966, 6030, 6365, 7065, 7638, 8949, 10519, 11457, 12730, 14130, 14915, 17898, 19095, 21038, 22914, 26847, 29830, 31557, 38190, 44745, 52595, 53694, 57285, 63114, 89490, 94671, 105190, 114570, 134235, 157785, 189342, 199861, 268470, 315570, 399722, 473355, 599583, 946710, 999305, 1199166, 1798749, 1998610, 2997915, 3597498, 5995830, 8993745, 17987490]

約数ペア:

[(1, 17987490), (2, 8993745), (3, 5995830), (5, 3597498), (6, 2997915), (9, 1998610), (10, 1798749), (15, 1199166), (18, 999305), (19, 946710), (30, 599583), (38, 473355), (45, 399722), (57, 315570), (67, 268470), (90, 199861), (95, 189342), (114, 157785), (134, 134235), (157, 114570), (171, 105190), (190, 94671), (201, 89490), (285, 63114), (314, 57285), (335, 53694), (342, 52595), (402, 44745), (471, 38190), (570, 31557), (603, 29830), (670, 26847), (785, 22914), (855, 21038), (942, 19095), (1005, 17898), (1206, 14915), (1273, 14130), (1413, 12730), (1570, 11457), (1710, 10519), (2010, 8949), (2355, 7638), (2546, 7065), (2826, 6365), (2983, 6030), (3015, 5966), (3819, 4710)]