18243040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:404

約数の個数: 96

約数和(自身を含む): 48172320

約数和(自身を除く): 29929280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 323, 340, 353, 380, 544, 608, 646, 680, 706, 760, 1292, 1360, 1412, 1520, 1615, 1765, 2584, 2720, 2824, 3040, 3230, 3530, 5168, 5648, 6001, 6460, 6707, 7060, 10336, 11296, 12002, 12920, 13414, 14120, 24004, 25840, 26828, 28240, 30005, 33535, 48008, 51680, 53656, 56480, 60010, 67070, 96016, 107312, 114019, 120020, 134140, 192032, 214624, 228038, 240040, 268280, 456076, 480080, 536560, 570095, 912152, 960160, 1073120, 1140190, 1824304, 2280380, 3648608, 4560760, 9121520, 18243040]

約数ペア:

[(1, 18243040), (2, 9121520), (4, 4560760), (5, 3648608), (8, 2280380), (10, 1824304), (16, 1140190), (17, 1073120), (19, 960160), (20, 912152), (32, 570095), (34, 536560), (38, 480080), (40, 456076), (68, 268280), (76, 240040), (80, 228038), (85, 214624), (95, 192032), (136, 134140), (152, 120020), (160, 114019), (170, 107312), (190, 96016), (272, 67070), (304, 60010), (323, 56480), (340, 53656), (353, 51680), (380, 48008), (544, 33535), (608, 30005), (646, 28240), (680, 26828), (706, 25840), (760, 24004), (1292, 14120), (1360, 13414), (1412, 12920), (1520, 12002), (1615, 11296), (1765, 10336), (2584, 7060), (2720, 6707), (2824, 6460), (3040, 6001), (3230, 5648), (3530, 5168)]