18641532

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:467

約数の個数: 96

約数和(自身を含む): 54917632

約数和(自身を除く): 36276100

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 43, 52, 78, 84, 86, 91, 129, 156, 172, 182, 258, 273, 301, 364, 397, 516, 546, 559, 602, 794, 903, 1092, 1118, 1191, 1204, 1588, 1677, 1806, 2236, 2382, 2779, 3354, 3612, 3913, 4764, 5161, 5558, 6708, 7826, 8337, 10322, 11116, 11739, 15483, 15652, 16674, 17071, 20644, 23478, 30966, 33348, 34142, 36127, 46956, 51213, 61932, 68284, 72254, 102426, 108381, 119497, 144508, 204852, 216762, 221923, 238994, 358491, 433524, 443846, 477988, 665769, 716982, 887692, 1331538, 1433964, 1553461, 2663076, 3106922, 4660383, 6213844, 9320766, 18641532]

約数ペア:

[(1, 18641532), (2, 9320766), (3, 6213844), (4, 4660383), (6, 3106922), (7, 2663076), (12, 1553461), (13, 1433964), (14, 1331538), (21, 887692), (26, 716982), (28, 665769), (39, 477988), (42, 443846), (43, 433524), (52, 358491), (78, 238994), (84, 221923), (86, 216762), (91, 204852), (129, 144508), (156, 119497), (172, 108381), (182, 102426), (258, 72254), (273, 68284), (301, 61932), (364, 51213), (397, 46956), (516, 36127), (546, 34142), (559, 33348), (602, 30966), (794, 23478), (903, 20644), (1092, 17071), (1118, 16674), (1191, 15652), (1204, 15483), (1588, 11739), (1677, 11116), (1806, 10322), (2236, 8337), (2382, 7826), (2779, 6708), (3354, 5558), (3612, 5161), (3913, 4764)]