18479120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 49871808

約数和(自身を除く): 31392688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 83, 88, 92, 110, 115, 121, 166, 176, 184, 220, 230, 242, 253, 332, 368, 415, 440, 460, 484, 506, 605, 664, 830, 880, 913, 920, 968, 1012, 1210, 1265, 1328, 1660, 1826, 1840, 1909, 1936, 2024, 2420, 2530, 2783, 3320, 3652, 3818, 4048, 4565, 4840, 5060, 5566, 6640, 7304, 7636, 9130, 9545, 9680, 10043, 10120, 11132, 13915, 14608, 15272, 18260, 19090, 20086, 20240, 20999, 22264, 27830, 30544, 36520, 38180, 40172, 41998, 44528, 50215, 55660, 73040, 76360, 80344, 83996, 100430, 104995, 111320, 152720, 160688, 167992, 200860, 209990, 222640, 230989, 335984, 401720, 419980, 461978, 803440, 839960, 923956, 1154945, 1679920, 1847912, 2309890, 3695824, 4619780, 9239560, 18479120]

約数ペア:

[(1, 18479120), (2, 9239560), (4, 4619780), (5, 3695824), (8, 2309890), (10, 1847912), (11, 1679920), (16, 1154945), (20, 923956), (22, 839960), (23, 803440), (40, 461978), (44, 419980), (46, 401720), (55, 335984), (80, 230989), (83, 222640), (88, 209990), (92, 200860), (110, 167992), (115, 160688), (121, 152720), (166, 111320), (176, 104995), (184, 100430), (220, 83996), (230, 80344), (242, 76360), (253, 73040), (332, 55660), (368, 50215), (415, 44528), (440, 41998), (460, 40172), (484, 38180), (506, 36520), (605, 30544), (664, 27830), (830, 22264), (880, 20999), (913, 20240), (920, 20086), (968, 19090), (1012, 18260), (1210, 15272), (1265, 14608), (1328, 13915), (1660, 11132), (1826, 10120), (1840, 10043), (1909, 9680), (1936, 9545), (2024, 9130), (2420, 7636), (2530, 7304), (2783, 6640), (3320, 5566), (3652, 5060), (3818, 4840), (4048, 4565)]