19897164

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:337

約数の個数: 120

約数和(自身を含む): 61580288

約数和(自身を除く): 41683124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 62, 63, 81, 84, 93, 108, 124, 126, 162, 186, 189, 217, 252, 279, 283, 324, 372, 378, 434, 558, 566, 567, 651, 756, 837, 849, 868, 1116, 1132, 1134, 1302, 1674, 1698, 1953, 1981, 2268, 2511, 2547, 2604, 3348, 3396, 3906, 3962, 5022, 5094, 5859, 5943, 7641, 7812, 7924, 8773, 10044, 10188, 11718, 11886, 15282, 17546, 17577, 17829, 22923, 23436, 23772, 26319, 30564, 35092, 35154, 35658, 45846, 52638, 53487, 61411, 70308, 71316, 78957, 91692, 105276, 106974, 122822, 157914, 160461, 184233, 213948, 236871, 245644, 315828, 320922, 368466, 473742, 552699, 641844, 710613, 736932, 947484, 1105398, 1421226, 1658097, 2210796, 2842452, 3316194, 4974291, 6632388, 9948582, 19897164]

約数ペア:

[(1, 19897164), (2, 9948582), (3, 6632388), (4, 4974291), (6, 3316194), (7, 2842452), (9, 2210796), (12, 1658097), (14, 1421226), (18, 1105398), (21, 947484), (27, 736932), (28, 710613), (31, 641844), (36, 552699), (42, 473742), (54, 368466), (62, 320922), (63, 315828), (81, 245644), (84, 236871), (93, 213948), (108, 184233), (124, 160461), (126, 157914), (162, 122822), (186, 106974), (189, 105276), (217, 91692), (252, 78957), (279, 71316), (283, 70308), (324, 61411), (372, 53487), (378, 52638), (434, 45846), (558, 35658), (566, 35154), (567, 35092), (651, 30564), (756, 26319), (837, 23772), (849, 23436), (868, 22923), (1116, 17829), (1132, 17577), (1134, 17546), (1302, 15282), (1674, 11886), (1698, 11718), (1953, 10188), (1981, 10044), (2268, 8773), (2511, 7924), (2547, 7812), (2604, 7641), (3348, 5943), (3396, 5859), (3906, 5094), (3962, 5022)]