19021212

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:328

約数の個数: 108

約数和(自身を含む): 57513456

約数和(自身を除く): 38492244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 49, 63, 82, 84, 98, 123, 126, 147, 164, 196, 246, 252, 263, 287, 294, 369, 441, 492, 526, 574, 588, 738, 789, 861, 882, 1052, 1148, 1476, 1578, 1722, 1764, 1841, 2009, 2367, 2583, 3156, 3444, 3682, 4018, 4734, 5166, 5523, 6027, 7364, 8036, 9468, 10332, 10783, 11046, 12054, 12887, 16569, 18081, 21566, 22092, 24108, 25774, 32349, 33138, 36162, 38661, 43132, 51548, 64698, 66276, 72324, 75481, 77322, 97047, 115983, 129396, 150962, 154644, 194094, 226443, 231966, 301924, 388188, 452886, 463932, 528367, 679329, 905772, 1056734, 1358658, 1585101, 2113468, 2717316, 3170202, 4755303, 6340404, 9510606, 19021212]

約数ペア:

[(1, 19021212), (2, 9510606), (3, 6340404), (4, 4755303), (6, 3170202), (7, 2717316), (9, 2113468), (12, 1585101), (14, 1358658), (18, 1056734), (21, 905772), (28, 679329), (36, 528367), (41, 463932), (42, 452886), (49, 388188), (63, 301924), (82, 231966), (84, 226443), (98, 194094), (123, 154644), (126, 150962), (147, 129396), (164, 115983), (196, 97047), (246, 77322), (252, 75481), (263, 72324), (287, 66276), (294, 64698), (369, 51548), (441, 43132), (492, 38661), (526, 36162), (574, 33138), (588, 32349), (738, 25774), (789, 24108), (861, 22092), (882, 21566), (1052, 18081), (1148, 16569), (1476, 12887), (1578, 12054), (1722, 11046), (1764, 10783), (1841, 10332), (2009, 9468), (2367, 8036), (2583, 7364), (3156, 6027), (3444, 5523), (3682, 5166), (4018, 4734)]