19223235

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 34819200

約数和(自身を除く): 15595965

約数列:

[1, 3, 5, 9, 15, 45, 47, 61, 141, 149, 183, 235, 305, 423, 447, 549, 705, 745, 915, 1341, 2115, 2235, 2745, 2867, 6705, 7003, 8601, 9089, 14335, 21009, 25803, 27267, 35015, 43005, 45445, 63027, 81801, 105045, 129015, 136335, 315135, 409005, 427183, 1281549, 2135915, 3844647, 6407745, 19223235]

約数ペア:

[(1, 19223235), (3, 6407745), (5, 3844647), (9, 2135915), (15, 1281549), (45, 427183), (47, 409005), (61, 315135), (141, 136335), (149, 129015), (183, 105045), (235, 81801), (305, 63027), (423, 45445), (447, 43005), (549, 35015), (705, 27267), (745, 25803), (915, 21009), (1341, 14335), (2115, 9089), (2235, 8601), (2745, 7003), (2867, 6705)]