19870344

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 61663680

約数和(自身を除く): 41793336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 36, 39, 46, 52, 69, 71, 72, 78, 92, 104, 117, 138, 142, 156, 169, 184, 207, 213, 234, 276, 284, 299, 312, 338, 414, 426, 468, 507, 552, 568, 598, 639, 676, 828, 852, 897, 923, 936, 1014, 1196, 1278, 1352, 1521, 1633, 1656, 1704, 1794, 1846, 2028, 2392, 2556, 2691, 2769, 3042, 3266, 3588, 3692, 3887, 4056, 4899, 5112, 5382, 5538, 6084, 6532, 7176, 7384, 7774, 8307, 9798, 10764, 11076, 11661, 11999, 12168, 13064, 14697, 15548, 16614, 19596, 21229, 21528, 22152, 23322, 23998, 29394, 31096, 33228, 34983, 35997, 39192, 42458, 46644, 47996, 58788, 63687, 66456, 69966, 71994, 84916, 93288, 95992, 107991, 117576, 127374, 139932, 143988, 169832, 191061, 215982, 254748, 275977, 279864, 287976, 382122, 431964, 509496, 551954, 764244, 827931, 863928, 1103908, 1528488, 1655862, 2207816, 2483793, 3311724, 4967586, 6623448, 9935172, 19870344]

約数ペア:

[(1, 19870344), (2, 9935172), (3, 6623448), (4, 4967586), (6, 3311724), (8, 2483793), (9, 2207816), (12, 1655862), (13, 1528488), (18, 1103908), (23, 863928), (24, 827931), (26, 764244), (36, 551954), (39, 509496), (46, 431964), (52, 382122), (69, 287976), (71, 279864), (72, 275977), (78, 254748), (92, 215982), (104, 191061), (117, 169832), (138, 143988), (142, 139932), (156, 127374), (169, 117576), (184, 107991), (207, 95992), (213, 93288), (234, 84916), (276, 71994), (284, 69966), (299, 66456), (312, 63687), (338, 58788), (414, 47996), (426, 46644), (468, 42458), (507, 39192), (552, 35997), (568, 34983), (598, 33228), (639, 31096), (676, 29394), (828, 23998), (852, 23322), (897, 22152), (923, 21528), (936, 21229), (1014, 19596), (1196, 16614), (1278, 15548), (1352, 14697), (1521, 13064), (1633, 12168), (1656, 11999), (1704, 11661), (1794, 11076), (1846, 10764), (2028, 9798), (2392, 8307), (2556, 7774), (2691, 7384), (2769, 7176), (3042, 6532), (3266, 6084), (3588, 5538), (3692, 5382), (3887, 5112), (4056, 4899)]