19180746

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 46569600

約数和(自身を除く): 27388854

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 89, 117, 178, 234, 267, 307, 351, 534, 614, 702, 801, 921, 1157, 1602, 1842, 2314, 2403, 2763, 3471, 3991, 4806, 5526, 6942, 7982, 8289, 10413, 11973, 16578, 20826, 23946, 27323, 31239, 35919, 54646, 62478, 71838, 81969, 107757, 163938, 215514, 245907, 355199, 491814, 710398, 737721, 1065597, 1475442, 2131194, 3196791, 6393582, 9590373, 19180746]

約数ペア:

[(1, 19180746), (2, 9590373), (3, 6393582), (6, 3196791), (9, 2131194), (13, 1475442), (18, 1065597), (26, 737721), (27, 710398), (39, 491814), (54, 355199), (78, 245907), (89, 215514), (117, 163938), (178, 107757), (234, 81969), (267, 71838), (307, 62478), (351, 54646), (534, 35919), (614, 31239), (702, 27323), (801, 23946), (921, 20826), (1157, 16578), (1602, 11973), (1842, 10413), (2314, 8289), (2403, 7982), (2763, 6942), (3471, 5526), (3991, 4806)]