18688000

素因数分解:

$2^{11}\times 5^3\times {\mathrm{73}}^1$

素因数の和:110

約数の個数: 96

約数和(自身を含む): 47272680

約数和(自身を除く): 28584680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 73, 80, 100, 125, 128, 146, 160, 200, 250, 256, 292, 320, 365, 400, 500, 512, 584, 640, 730, 800, 1000, 1024, 1168, 1280, 1460, 1600, 1825, 2000, 2048, 2336, 2560, 2920, 3200, 3650, 4000, 4672, 5120, 5840, 6400, 7300, 8000, 9125, 9344, 10240, 11680, 12800, 14600, 16000, 18250, 18688, 23360, 25600, 29200, 32000, 36500, 37376, 46720, 51200, 58400, 64000, 73000, 74752, 93440, 116800, 128000, 146000, 149504, 186880, 233600, 256000, 292000, 373760, 467200, 584000, 747520, 934400, 1168000, 1868800, 2336000, 3737600, 4672000, 9344000, 18688000]

約数ペア:

[(1, 18688000), (2, 9344000), (4, 4672000), (5, 3737600), (8, 2336000), (10, 1868800), (16, 1168000), (20, 934400), (25, 747520), (32, 584000), (40, 467200), (50, 373760), (64, 292000), (73, 256000), (80, 233600), (100, 186880), (125, 149504), (128, 146000), (146, 128000), (160, 116800), (200, 93440), (250, 74752), (256, 73000), (292, 64000), (320, 58400), (365, 51200), (400, 46720), (500, 37376), (512, 36500), (584, 32000), (640, 29200), (730, 25600), (800, 23360), (1000, 18688), (1024, 18250), (1168, 16000), (1280, 14600), (1460, 12800), (1600, 11680), (1825, 10240), (2000, 9344), (2048, 9125), (2336, 8000), (2560, 7300), (2920, 6400), (3200, 5840), (3650, 5120), (4000, 4672)]