18808596

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 51151464

約数和(自身を除く): 32342868

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 73, 102, 146, 153, 204, 219, 292, 306, 421, 438, 612, 657, 842, 876, 1241, 1263, 1314, 1684, 2482, 2526, 2628, 3723, 3789, 4964, 5052, 7157, 7446, 7578, 11169, 14314, 14892, 15156, 21471, 22338, 28628, 30733, 42942, 44676, 61466, 64413, 85884, 92199, 122932, 128826, 184398, 257652, 276597, 368796, 522461, 553194, 1044922, 1106388, 1567383, 2089844, 3134766, 4702149, 6269532, 9404298, 18808596]

約数ペア:

[(1, 18808596), (2, 9404298), (3, 6269532), (4, 4702149), (6, 3134766), (9, 2089844), (12, 1567383), (17, 1106388), (18, 1044922), (34, 553194), (36, 522461), (51, 368796), (68, 276597), (73, 257652), (102, 184398), (146, 128826), (153, 122932), (204, 92199), (219, 85884), (292, 64413), (306, 61466), (421, 44676), (438, 42942), (612, 30733), (657, 28628), (842, 22338), (876, 21471), (1241, 15156), (1263, 14892), (1314, 14314), (1684, 11169), (2482, 7578), (2526, 7446), (2628, 7157), (3723, 5052), (3789, 4964)]