19369220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 47416320

約数和(自身を除く): 28047100

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 41, 46, 52, 65, 79, 82, 92, 115, 130, 158, 164, 205, 230, 260, 299, 316, 395, 410, 460, 533, 598, 790, 820, 943, 1027, 1066, 1196, 1495, 1580, 1817, 1886, 2054, 2132, 2665, 2990, 3239, 3634, 3772, 4108, 4715, 5135, 5330, 5980, 6478, 7268, 9085, 9430, 10270, 10660, 12259, 12956, 16195, 18170, 18860, 20540, 23621, 24518, 32390, 36340, 42107, 47242, 49036, 61295, 64780, 74497, 84214, 94484, 118105, 122590, 148994, 168428, 210535, 236210, 245180, 297988, 372485, 421070, 472420, 744970, 842140, 968461, 1489940, 1936922, 3873844, 4842305, 9684610, 19369220]

約数ペア:

[(1, 19369220), (2, 9684610), (4, 4842305), (5, 3873844), (10, 1936922), (13, 1489940), (20, 968461), (23, 842140), (26, 744970), (41, 472420), (46, 421070), (52, 372485), (65, 297988), (79, 245180), (82, 236210), (92, 210535), (115, 168428), (130, 148994), (158, 122590), (164, 118105), (205, 94484), (230, 84214), (260, 74497), (299, 64780), (316, 61295), (395, 49036), (410, 47242), (460, 42107), (533, 36340), (598, 32390), (790, 24518), (820, 23621), (943, 20540), (1027, 18860), (1066, 18170), (1196, 16195), (1495, 12956), (1580, 12259), (1817, 10660), (1886, 10270), (2054, 9430), (2132, 9085), (2665, 7268), (2990, 6478), (3239, 5980), (3634, 5330), (3772, 5135), (4108, 4715)]