18259700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{467}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 43872192

約数和(自身を除く): 25612492

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 25, 34, 46, 50, 68, 85, 92, 100, 115, 170, 230, 340, 391, 425, 460, 467, 575, 782, 850, 934, 1150, 1564, 1700, 1868, 1955, 2300, 2335, 3910, 4670, 7820, 7939, 9340, 9775, 10741, 11675, 15878, 19550, 21482, 23350, 31756, 39100, 39695, 42964, 46700, 53705, 79390, 107410, 158780, 182597, 198475, 214820, 268525, 365194, 396950, 537050, 730388, 793900, 912985, 1074100, 1825970, 3651940, 4564925, 9129850, 18259700]

約数ペア:

[(1, 18259700), (2, 9129850), (4, 4564925), (5, 3651940), (10, 1825970), (17, 1074100), (20, 912985), (23, 793900), (25, 730388), (34, 537050), (46, 396950), (50, 365194), (68, 268525), (85, 214820), (92, 198475), (100, 182597), (115, 158780), (170, 107410), (230, 79390), (340, 53705), (391, 46700), (425, 42964), (460, 39695), (467, 39100), (575, 31756), (782, 23350), (850, 21482), (934, 19550), (1150, 15878), (1564, 11675), (1700, 10741), (1868, 9775), (1955, 9340), (2300, 7939), (2335, 7820), (3910, 4670)]