18004020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{929}}^1$

素因数の和:977

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 38242380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 929, 969, 1020, 1140, 1292, 1615, 1858, 1938, 2787, 3230, 3716, 3876, 4645, 4845, 5574, 6460, 9290, 9690, 11148, 13935, 15793, 17651, 18580, 19380, 27870, 31586, 35302, 47379, 52953, 55740, 63172, 70604, 78965, 88255, 94758, 105906, 157930, 176510, 189516, 211812, 236895, 264765, 300067, 315860, 353020, 473790, 529530, 600134, 900201, 947580, 1059060, 1200268, 1500335, 1800402, 3000670, 3600804, 4501005, 6001340, 9002010, 18004020]

約数ペア:

[(1, 18004020), (2, 9002010), (3, 6001340), (4, 4501005), (5, 3600804), (6, 3000670), (10, 1800402), (12, 1500335), (15, 1200268), (17, 1059060), (19, 947580), (20, 900201), (30, 600134), (34, 529530), (38, 473790), (51, 353020), (57, 315860), (60, 300067), (68, 264765), (76, 236895), (85, 211812), (95, 189516), (102, 176510), (114, 157930), (170, 105906), (190, 94758), (204, 88255), (228, 78965), (255, 70604), (285, 63172), (323, 55740), (340, 52953), (380, 47379), (510, 35302), (570, 31586), (646, 27870), (929, 19380), (969, 18580), (1020, 17651), (1140, 15793), (1292, 13935), (1615, 11148), (1858, 9690), (1938, 9290), (2787, 6460), (3230, 5574), (3716, 4845), (3876, 4645)]