19311864

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 60238080

約数和(自身を除く): 40926216

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 17, 22, 24, 26, 33, 34, 39, 44, 51, 52, 66, 68, 78, 88, 102, 104, 132, 136, 143, 156, 187, 204, 221, 264, 286, 312, 331, 374, 408, 429, 442, 561, 572, 662, 663, 748, 858, 884, 993, 1122, 1144, 1324, 1326, 1496, 1716, 1768, 1986, 2244, 2431, 2648, 2652, 3432, 3641, 3972, 4303, 4488, 4862, 5304, 5627, 7282, 7293, 7944, 8606, 9724, 10923, 11254, 12909, 14564, 14586, 16881, 17212, 19448, 21846, 22508, 25818, 29128, 29172, 33762, 34424, 43692, 45016, 47333, 51636, 58344, 61897, 67524, 73151, 87384, 94666, 103272, 123794, 135048, 141999, 146302, 185691, 189332, 219453, 247588, 283998, 292604, 371382, 378664, 438906, 495176, 567996, 585208, 742764, 804661, 877812, 1135992, 1485528, 1609322, 1755624, 2413983, 3218644, 4827966, 6437288, 9655932, 19311864]

約数ペア:

[(1, 19311864), (2, 9655932), (3, 6437288), (4, 4827966), (6, 3218644), (8, 2413983), (11, 1755624), (12, 1609322), (13, 1485528), (17, 1135992), (22, 877812), (24, 804661), (26, 742764), (33, 585208), (34, 567996), (39, 495176), (44, 438906), (51, 378664), (52, 371382), (66, 292604), (68, 283998), (78, 247588), (88, 219453), (102, 189332), (104, 185691), (132, 146302), (136, 141999), (143, 135048), (156, 123794), (187, 103272), (204, 94666), (221, 87384), (264, 73151), (286, 67524), (312, 61897), (331, 58344), (374, 51636), (408, 47333), (429, 45016), (442, 43692), (561, 34424), (572, 33762), (662, 29172), (663, 29128), (748, 25818), (858, 22508), (884, 21846), (993, 19448), (1122, 17212), (1144, 16881), (1324, 14586), (1326, 14564), (1496, 12909), (1716, 11254), (1768, 10923), (1986, 9724), (2244, 8606), (2431, 7944), (2648, 7293), (2652, 7282), (3432, 5627), (3641, 5304), (3972, 4862), (4303, 4488)]