19495260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 65572416

約数和(自身を除く): 46077156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 115, 138, 153, 170, 180, 204, 207, 230, 255, 276, 277, 306, 340, 345, 391, 414, 460, 510, 554, 612, 690, 765, 782, 828, 831, 1020, 1035, 1108, 1173, 1380, 1385, 1530, 1564, 1662, 1955, 2070, 2346, 2493, 2770, 3060, 3324, 3519, 3910, 4140, 4155, 4692, 4709, 4986, 5540, 5865, 6371, 7038, 7820, 8310, 9418, 9972, 11730, 12465, 12742, 14076, 14127, 16620, 17595, 18836, 19113, 23460, 23545, 24930, 25484, 28254, 31855, 35190, 38226, 42381, 47090, 49860, 56508, 57339, 63710, 70380, 70635, 76452, 84762, 94180, 95565, 108307, 114678, 127420, 141270, 169524, 191130, 211905, 216614, 229356, 282540, 286695, 324921, 382260, 423810, 433228, 541535, 573390, 649842, 847620, 974763, 1083070, 1146780, 1299684, 1624605, 1949526, 2166140, 3249210, 3899052, 4873815, 6498420, 9747630, 19495260]

約数ペア:

[(1, 19495260), (2, 9747630), (3, 6498420), (4, 4873815), (5, 3899052), (6, 3249210), (9, 2166140), (10, 1949526), (12, 1624605), (15, 1299684), (17, 1146780), (18, 1083070), (20, 974763), (23, 847620), (30, 649842), (34, 573390), (36, 541535), (45, 433228), (46, 423810), (51, 382260), (60, 324921), (68, 286695), (69, 282540), (85, 229356), (90, 216614), (92, 211905), (102, 191130), (115, 169524), (138, 141270), (153, 127420), (170, 114678), (180, 108307), (204, 95565), (207, 94180), (230, 84762), (255, 76452), (276, 70635), (277, 70380), (306, 63710), (340, 57339), (345, 56508), (391, 49860), (414, 47090), (460, 42381), (510, 38226), (554, 35190), (612, 31855), (690, 28254), (765, 25484), (782, 24930), (828, 23545), (831, 23460), (1020, 19113), (1035, 18836), (1108, 17595), (1173, 16620), (1380, 14127), (1385, 14076), (1530, 12742), (1564, 12465), (1662, 11730), (1955, 9972), (2070, 9418), (2346, 8310), (2493, 7820), (2770, 7038), (3060, 6371), (3324, 5865), (3519, 5540), (3910, 4986), (4140, 4709), (4155, 4692)]