19349900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 44997120

約数和(自身を除く): 25647220

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 47, 50, 92, 94, 100, 115, 179, 188, 230, 235, 358, 460, 470, 575, 716, 895, 940, 1081, 1150, 1175, 1790, 2162, 2300, 2350, 3580, 4117, 4324, 4475, 4700, 5405, 8234, 8413, 8950, 10810, 16468, 16826, 17900, 20585, 21620, 27025, 33652, 41170, 42065, 54050, 82340, 84130, 102925, 108100, 168260, 193499, 205850, 210325, 386998, 411700, 420650, 773996, 841300, 967495, 1934990, 3869980, 4837475, 9674950, 19349900]

約数ペア:

[(1, 19349900), (2, 9674950), (4, 4837475), (5, 3869980), (10, 1934990), (20, 967495), (23, 841300), (25, 773996), (46, 420650), (47, 411700), (50, 386998), (92, 210325), (94, 205850), (100, 193499), (115, 168260), (179, 108100), (188, 102925), (230, 84130), (235, 82340), (358, 54050), (460, 42065), (470, 41170), (575, 33652), (716, 27025), (895, 21620), (940, 20585), (1081, 17900), (1150, 16826), (1175, 16468), (1790, 10810), (2162, 8950), (2300, 8413), (2350, 8234), (3580, 5405), (4117, 4700), (4324, 4475)]