18813760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:288

約数の個数: 112

約数和(自身を含む): 52815744

約数和(自身を除く): 34001984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 140, 148, 160, 185, 224, 227, 259, 280, 296, 320, 370, 448, 454, 518, 560, 592, 740, 908, 1036, 1120, 1135, 1184, 1295, 1480, 1589, 1816, 2072, 2240, 2270, 2368, 2590, 2960, 3178, 3632, 4144, 4540, 5180, 5920, 6356, 7264, 7945, 8288, 8399, 9080, 10360, 11840, 12712, 14528, 15890, 16576, 16798, 18160, 20720, 25424, 31780, 33596, 36320, 41440, 41995, 50848, 58793, 63560, 67192, 72640, 82880, 83990, 101696, 117586, 127120, 134384, 167980, 235172, 254240, 268768, 293965, 335960, 470344, 508480, 537536, 587930, 671920, 940688, 1175860, 1343840, 1881376, 2351720, 2687680, 3762752, 4703440, 9406880, 18813760]

約数ペア:

[(1, 18813760), (2, 9406880), (4, 4703440), (5, 3762752), (7, 2687680), (8, 2351720), (10, 1881376), (14, 1343840), (16, 1175860), (20, 940688), (28, 671920), (32, 587930), (35, 537536), (37, 508480), (40, 470344), (56, 335960), (64, 293965), (70, 268768), (74, 254240), (80, 235172), (112, 167980), (140, 134384), (148, 127120), (160, 117586), (185, 101696), (224, 83990), (227, 82880), (259, 72640), (280, 67192), (296, 63560), (320, 58793), (370, 50848), (448, 41995), (454, 41440), (518, 36320), (560, 33596), (592, 31780), (740, 25424), (908, 20720), (1036, 18160), (1120, 16798), (1135, 16576), (1184, 15890), (1295, 14528), (1480, 12712), (1589, 11840), (1816, 10360), (2072, 9080), (2240, 8399), (2270, 8288), (2368, 7945), (2590, 7264), (2960, 6356), (3178, 5920), (3632, 5180), (4144, 4540)]