19366400

素因数分解:

$2^9\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:134

約数の個数: 120

約数和(自身を含む): 51375060

約数和(自身を除く): 32008660

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 89, 100, 128, 136, 160, 170, 178, 200, 256, 272, 320, 340, 356, 400, 425, 445, 512, 544, 640, 680, 712, 800, 850, 890, 1088, 1280, 1360, 1424, 1513, 1600, 1700, 1780, 2176, 2225, 2560, 2720, 2848, 3026, 3200, 3400, 3560, 4352, 4450, 5440, 5696, 6052, 6400, 6800, 7120, 7565, 8704, 8900, 10880, 11392, 12104, 12800, 13600, 14240, 15130, 17800, 21760, 22784, 24208, 27200, 28480, 30260, 35600, 37825, 43520, 45568, 48416, 54400, 56960, 60520, 71200, 75650, 96832, 108800, 113920, 121040, 142400, 151300, 193664, 217600, 227840, 242080, 284800, 302600, 387328, 484160, 569600, 605200, 774656, 968320, 1139200, 1210400, 1936640, 2420800, 3873280, 4841600, 9683200, 19366400]

約数ペア:

[(1, 19366400), (2, 9683200), (4, 4841600), (5, 3873280), (8, 2420800), (10, 1936640), (16, 1210400), (17, 1139200), (20, 968320), (25, 774656), (32, 605200), (34, 569600), (40, 484160), (50, 387328), (64, 302600), (68, 284800), (80, 242080), (85, 227840), (89, 217600), (100, 193664), (128, 151300), (136, 142400), (160, 121040), (170, 113920), (178, 108800), (200, 96832), (256, 75650), (272, 71200), (320, 60520), (340, 56960), (356, 54400), (400, 48416), (425, 45568), (445, 43520), (512, 37825), (544, 35600), (640, 30260), (680, 28480), (712, 27200), (800, 24208), (850, 22784), (890, 21760), (1088, 17800), (1280, 15130), (1360, 14240), (1424, 13600), (1513, 12800), (1600, 12104), (1700, 11392), (1780, 10880), (2176, 8900), (2225, 8704), (2560, 7565), (2720, 7120), (2848, 6800), (3026, 6400), (3200, 6052), (3400, 5696), (3560, 5440), (4352, 4450)]