18911412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2377}}^1$

素因数の和:2417

約数の個数: 72

約数和(自身を含む): 54532296

約数和(自身を除く): 35620884

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2377, 2652, 3978, 4754, 7131, 7956, 9508, 14262, 21393, 28524, 30901, 40409, 42786, 61802, 80818, 85572, 92703, 121227, 123604, 161636, 185406, 242454, 278109, 363681, 370812, 484908, 525317, 556218, 727362, 1050634, 1112436, 1454724, 1575951, 2101268, 3151902, 4727853, 6303804, 9455706, 18911412]

約数ペア:

[(1, 18911412), (2, 9455706), (3, 6303804), (4, 4727853), (6, 3151902), (9, 2101268), (12, 1575951), (13, 1454724), (17, 1112436), (18, 1050634), (26, 727362), (34, 556218), (36, 525317), (39, 484908), (51, 370812), (52, 363681), (68, 278109), (78, 242454), (102, 185406), (117, 161636), (153, 123604), (156, 121227), (204, 92703), (221, 85572), (234, 80818), (306, 61802), (442, 42786), (468, 40409), (612, 30901), (663, 28524), (884, 21393), (1326, 14262), (1989, 9508), (2377, 7956), (2652, 7131), (3978, 4754)]