18301788

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 50552320

約数和(自身を除く): 32250532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 486, 513, 684, 972, 991, 1026, 1539, 1982, 2052, 2973, 3078, 3964, 4617, 5946, 6156, 8919, 9234, 11892, 17838, 18468, 18829, 26757, 35676, 37658, 53514, 56487, 75316, 80271, 107028, 112974, 160542, 169461, 225948, 240813, 321084, 338922, 481626, 508383, 677844, 963252, 1016766, 1525149, 2033532, 3050298, 4575447, 6100596, 9150894, 18301788]

約数ペア:

[(1, 18301788), (2, 9150894), (3, 6100596), (4, 4575447), (6, 3050298), (9, 2033532), (12, 1525149), (18, 1016766), (19, 963252), (27, 677844), (36, 508383), (38, 481626), (54, 338922), (57, 321084), (76, 240813), (81, 225948), (108, 169461), (114, 160542), (162, 112974), (171, 107028), (228, 80271), (243, 75316), (324, 56487), (342, 53514), (486, 37658), (513, 35676), (684, 26757), (972, 18829), (991, 18468), (1026, 17838), (1539, 11892), (1982, 9234), (2052, 8919), (2973, 6156), (3078, 5946), (3964, 4617)]