19052418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 50254848

約数和(自身を除く): 31202430

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 42, 46, 66, 69, 77, 121, 138, 154, 161, 163, 231, 242, 253, 322, 326, 363, 462, 483, 489, 506, 726, 759, 847, 966, 978, 1141, 1518, 1694, 1771, 1793, 2282, 2541, 2783, 3423, 3542, 3586, 3749, 5082, 5313, 5379, 5566, 6846, 7498, 8349, 10626, 10758, 11247, 12551, 16698, 19481, 19723, 22494, 25102, 26243, 37653, 38962, 39446, 41239, 52486, 58443, 59169, 75306, 78729, 82478, 116886, 118338, 123717, 138061, 157458, 247434, 276122, 288673, 414183, 453629, 577346, 828366, 866019, 907258, 1360887, 1732038, 2721774, 3175403, 6350806, 9526209, 19052418]

約数ペア:

[(1, 19052418), (2, 9526209), (3, 6350806), (6, 3175403), (7, 2721774), (11, 1732038), (14, 1360887), (21, 907258), (22, 866019), (23, 828366), (33, 577346), (42, 453629), (46, 414183), (66, 288673), (69, 276122), (77, 247434), (121, 157458), (138, 138061), (154, 123717), (161, 118338), (163, 116886), (231, 82478), (242, 78729), (253, 75306), (322, 59169), (326, 58443), (363, 52486), (462, 41239), (483, 39446), (489, 38962), (506, 37653), (726, 26243), (759, 25102), (847, 22494), (966, 19723), (978, 19481), (1141, 16698), (1518, 12551), (1694, 11247), (1771, 10758), (1793, 10626), (2282, 8349), (2541, 7498), (2783, 6846), (3423, 5566), (3542, 5379), (3586, 5313), (3749, 5082)]