18280368

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 54395328

約数和(自身を除く): 36114960

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 47, 48, 72, 73, 74, 94, 111, 141, 144, 146, 148, 188, 219, 222, 282, 292, 296, 333, 376, 423, 438, 444, 564, 584, 592, 657, 666, 752, 846, 876, 888, 1128, 1168, 1314, 1332, 1692, 1739, 1752, 1776, 2256, 2628, 2664, 2701, 3384, 3431, 3478, 3504, 5217, 5256, 5328, 5402, 6768, 6862, 6956, 8103, 10293, 10434, 10512, 10804, 13724, 13912, 15651, 16206, 20586, 20868, 21608, 24309, 27448, 27824, 30879, 31302, 32412, 41172, 41736, 43216, 48618, 54896, 61758, 62604, 64824, 82344, 83472, 97236, 123516, 125208, 126947, 129648, 164688, 194472, 247032, 250416, 253894, 380841, 388944, 494064, 507788, 761682, 1015576, 1142523, 1523364, 2031152, 2285046, 3046728, 4570092, 6093456, 9140184, 18280368]

約数ペア:

[(1, 18280368), (2, 9140184), (3, 6093456), (4, 4570092), (6, 3046728), (8, 2285046), (9, 2031152), (12, 1523364), (16, 1142523), (18, 1015576), (24, 761682), (36, 507788), (37, 494064), (47, 388944), (48, 380841), (72, 253894), (73, 250416), (74, 247032), (94, 194472), (111, 164688), (141, 129648), (144, 126947), (146, 125208), (148, 123516), (188, 97236), (219, 83472), (222, 82344), (282, 64824), (292, 62604), (296, 61758), (333, 54896), (376, 48618), (423, 43216), (438, 41736), (444, 41172), (564, 32412), (584, 31302), (592, 30879), (657, 27824), (666, 27448), (752, 24309), (846, 21608), (876, 20868), (888, 20586), (1128, 16206), (1168, 15651), (1314, 13912), (1332, 13724), (1692, 10804), (1739, 10512), (1752, 10434), (1776, 10293), (2256, 8103), (2628, 6956), (2664, 6862), (2701, 6768), (3384, 5402), (3431, 5328), (3478, 5256), (3504, 5217)]