19513760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 56881440

約数和(自身を除く): 37367680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 131, 133, 140, 152, 160, 190, 196, 224, 245, 262, 266, 280, 304, 380, 392, 490, 524, 532, 560, 608, 655, 665, 760, 784, 917, 931, 980, 1048, 1064, 1120, 1310, 1330, 1520, 1568, 1834, 1862, 1960, 2096, 2128, 2489, 2620, 2660, 3040, 3668, 3724, 3920, 4192, 4256, 4585, 4655, 4978, 5240, 5320, 6419, 7336, 7448, 7840, 9170, 9310, 9956, 10480, 10640, 12445, 12838, 14672, 14896, 17423, 18340, 18620, 19912, 20960, 21280, 24890, 25676, 29344, 29792, 32095, 34846, 36680, 37240, 39824, 49780, 51352, 64190, 69692, 73360, 74480, 79648, 87115, 99560, 102704, 121961, 128380, 139384, 146720, 148960, 174230, 199120, 205408, 243922, 256760, 278768, 348460, 398240, 487844, 513520, 557536, 609805, 696920, 975688, 1027040, 1219610, 1393840, 1951376, 2439220, 2787680, 3902752, 4878440, 9756880, 19513760]

約数ペア:

[(1, 19513760), (2, 9756880), (4, 4878440), (5, 3902752), (7, 2787680), (8, 2439220), (10, 1951376), (14, 1393840), (16, 1219610), (19, 1027040), (20, 975688), (28, 696920), (32, 609805), (35, 557536), (38, 513520), (40, 487844), (49, 398240), (56, 348460), (70, 278768), (76, 256760), (80, 243922), (95, 205408), (98, 199120), (112, 174230), (131, 148960), (133, 146720), (140, 139384), (152, 128380), (160, 121961), (190, 102704), (196, 99560), (224, 87115), (245, 79648), (262, 74480), (266, 73360), (280, 69692), (304, 64190), (380, 51352), (392, 49780), (490, 39824), (524, 37240), (532, 36680), (560, 34846), (608, 32095), (655, 29792), (665, 29344), (760, 25676), (784, 24890), (917, 21280), (931, 20960), (980, 19912), (1048, 18620), (1064, 18340), (1120, 17423), (1310, 14896), (1330, 14672), (1520, 12838), (1568, 12445), (1834, 10640), (1862, 10480), (1960, 9956), (2096, 9310), (2128, 9170), (2489, 7840), (2620, 7448), (2660, 7336), (3040, 6419), (3668, 5320), (3724, 5240), (3920, 4978), (4192, 4655), (4256, 4585)]