19577140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 48335616

約数和(自身を除く): 28758476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 53, 55, 73, 92, 106, 110, 115, 146, 212, 220, 230, 253, 265, 292, 365, 460, 506, 530, 583, 730, 803, 1012, 1060, 1166, 1219, 1265, 1460, 1606, 1679, 2332, 2438, 2530, 2915, 3212, 3358, 3869, 4015, 4876, 5060, 5830, 6095, 6716, 7738, 8030, 8395, 11660, 12190, 13409, 15476, 16060, 16790, 18469, 19345, 24380, 26818, 33580, 36938, 38690, 42559, 53636, 67045, 73876, 77380, 85118, 88987, 92345, 134090, 170236, 177974, 184690, 212795, 268180, 355948, 369380, 425590, 444935, 851180, 889870, 978857, 1779740, 1957714, 3915428, 4894285, 9788570, 19577140]

約数ペア:

[(1, 19577140), (2, 9788570), (4, 4894285), (5, 3915428), (10, 1957714), (11, 1779740), (20, 978857), (22, 889870), (23, 851180), (44, 444935), (46, 425590), (53, 369380), (55, 355948), (73, 268180), (92, 212795), (106, 184690), (110, 177974), (115, 170236), (146, 134090), (212, 92345), (220, 88987), (230, 85118), (253, 77380), (265, 73876), (292, 67045), (365, 53636), (460, 42559), (506, 38690), (530, 36938), (583, 33580), (730, 26818), (803, 24380), (1012, 19345), (1060, 18469), (1166, 16790), (1219, 16060), (1265, 15476), (1460, 13409), (1606, 12190), (1679, 11660), (2332, 8395), (2438, 8030), (2530, 7738), (2915, 6716), (3212, 6095), (3358, 5830), (3869, 5060), (4015, 4876)]