18612036

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 49172760

約数和(自身を除く): 30560724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 89, 111, 148, 157, 178, 222, 267, 314, 333, 356, 444, 471, 534, 628, 666, 801, 942, 1068, 1332, 1413, 1602, 1884, 2826, 3204, 3293, 5652, 5809, 6586, 9879, 11618, 13172, 13973, 17427, 19758, 23236, 27946, 29637, 34854, 39516, 41919, 52281, 55892, 59274, 69708, 83838, 104562, 118548, 125757, 167676, 209124, 251514, 503028, 517001, 1034002, 1551003, 2068004, 3102006, 4653009, 6204012, 9306018, 18612036]

約数ペア:

[(1, 18612036), (2, 9306018), (3, 6204012), (4, 4653009), (6, 3102006), (9, 2068004), (12, 1551003), (18, 1034002), (36, 517001), (37, 503028), (74, 251514), (89, 209124), (111, 167676), (148, 125757), (157, 118548), (178, 104562), (222, 83838), (267, 69708), (314, 59274), (333, 55892), (356, 52281), (444, 41919), (471, 39516), (534, 34854), (628, 29637), (666, 27946), (801, 23236), (942, 19758), (1068, 17427), (1332, 13973), (1413, 13172), (1602, 11618), (1884, 9879), (2826, 6586), (3204, 5809), (3293, 5652)]