19587438

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:218

約数の個数: 72

約数和(自身を含む): 47275488

約数和(自身を除く): 27688050

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 47, 78, 94, 117, 137, 141, 169, 234, 274, 282, 338, 411, 423, 507, 611, 822, 846, 1014, 1222, 1233, 1521, 1781, 1833, 2466, 3042, 3562, 3666, 5343, 5499, 6439, 7943, 10686, 10998, 12878, 15886, 16029, 19317, 23153, 23829, 32058, 38634, 46306, 47658, 57951, 69459, 71487, 83707, 115902, 138918, 142974, 167414, 208377, 251121, 416754, 502242, 753363, 1088191, 1506726, 2176382, 3264573, 6529146, 9793719, 19587438]

約数ペア:

[(1, 19587438), (2, 9793719), (3, 6529146), (6, 3264573), (9, 2176382), (13, 1506726), (18, 1088191), (26, 753363), (39, 502242), (47, 416754), (78, 251121), (94, 208377), (117, 167414), (137, 142974), (141, 138918), (169, 115902), (234, 83707), (274, 71487), (282, 69459), (338, 57951), (411, 47658), (423, 46306), (507, 38634), (611, 32058), (822, 23829), (846, 23153), (1014, 19317), (1222, 16029), (1233, 15886), (1521, 12878), (1781, 10998), (1833, 10686), (2466, 7943), (3042, 6439), (3562, 5499), (3666, 5343)]