19565820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1907}}^1$

素因数の和:1944

約数の個数: 96

約数和(自身を含む): 64108800

約数和(自身を除く): 44542980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 1907, 2052, 2565, 3420, 3814, 5130, 5721, 7628, 9535, 10260, 11442, 17163, 19070, 22884, 28605, 34326, 36233, 38140, 51489, 57210, 68652, 72466, 85815, 102978, 108699, 114420, 144932, 171630, 181165, 205956, 217398, 257445, 326097, 343260, 362330, 434796, 514890, 543495, 652194, 724660, 978291, 1029780, 1086990, 1304388, 1630485, 1956582, 2173980, 3260970, 3913164, 4891455, 6521940, 9782910, 19565820]

約数ペア:

[(1, 19565820), (2, 9782910), (3, 6521940), (4, 4891455), (5, 3913164), (6, 3260970), (9, 2173980), (10, 1956582), (12, 1630485), (15, 1304388), (18, 1086990), (19, 1029780), (20, 978291), (27, 724660), (30, 652194), (36, 543495), (38, 514890), (45, 434796), (54, 362330), (57, 343260), (60, 326097), (76, 257445), (90, 217398), (95, 205956), (108, 181165), (114, 171630), (135, 144932), (171, 114420), (180, 108699), (190, 102978), (228, 85815), (270, 72466), (285, 68652), (342, 57210), (380, 51489), (513, 38140), (540, 36233), (570, 34326), (684, 28605), (855, 22884), (1026, 19070), (1140, 17163), (1710, 11442), (1907, 10260), (2052, 9535), (2565, 7628), (3420, 5721), (3814, 5130)]