18252800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 132

約数和(自身を含む): 48734976

約数和(自身を除く): 30482176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 32, 40, 46, 50, 62, 64, 80, 92, 100, 115, 124, 128, 155, 160, 184, 200, 230, 248, 256, 310, 320, 368, 400, 460, 496, 512, 575, 620, 640, 713, 736, 775, 800, 920, 992, 1024, 1150, 1240, 1280, 1426, 1472, 1550, 1600, 1840, 1984, 2300, 2480, 2560, 2852, 2944, 3100, 3200, 3565, 3680, 3968, 4600, 4960, 5120, 5704, 5888, 6200, 6400, 7130, 7360, 7936, 9200, 9920, 11408, 11776, 12400, 12800, 14260, 14720, 15872, 17825, 18400, 19840, 22816, 23552, 24800, 25600, 28520, 29440, 31744, 35650, 36800, 39680, 45632, 49600, 57040, 58880, 71300, 73600, 79360, 91264, 99200, 114080, 117760, 142600, 147200, 158720, 182528, 198400, 228160, 285200, 294400, 365056, 396800, 456320, 570400, 588800, 730112, 793600, 912640, 1140800, 1825280, 2281600, 3650560, 4563200, 9126400, 18252800]

約数ペア:

[(1, 18252800), (2, 9126400), (4, 4563200), (5, 3650560), (8, 2281600), (10, 1825280), (16, 1140800), (20, 912640), (23, 793600), (25, 730112), (31, 588800), (32, 570400), (40, 456320), (46, 396800), (50, 365056), (62, 294400), (64, 285200), (80, 228160), (92, 198400), (100, 182528), (115, 158720), (124, 147200), (128, 142600), (155, 117760), (160, 114080), (184, 99200), (200, 91264), (230, 79360), (248, 73600), (256, 71300), (310, 58880), (320, 57040), (368, 49600), (400, 45632), (460, 39680), (496, 36800), (512, 35650), (575, 31744), (620, 29440), (640, 28520), (713, 25600), (736, 24800), (775, 23552), (800, 22816), (920, 19840), (992, 18400), (1024, 17825), (1150, 15872), (1240, 14720), (1280, 14260), (1426, 12800), (1472, 12400), (1550, 11776), (1600, 11408), (1840, 9920), (1984, 9200), (2300, 7936), (2480, 7360), (2560, 7130), (2852, 6400), (2944, 6200), (3100, 5888), (3200, 5704), (3565, 5120), (3680, 4960), (3968, 4600)]