19540374

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 47139840

約数和(自身を除く): 27599466

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 61, 87, 122, 174, 183, 203, 263, 366, 406, 427, 526, 609, 789, 854, 1218, 1281, 1578, 1769, 1841, 2562, 3538, 3682, 5307, 5523, 7627, 10614, 11046, 12383, 15254, 16043, 22881, 24766, 32086, 37149, 45762, 48129, 53389, 74298, 96258, 106778, 112301, 160167, 224602, 320334, 336903, 465247, 673806, 930494, 1395741, 2791482, 3256729, 6513458, 9770187, 19540374]

約数ペア:

[(1, 19540374), (2, 9770187), (3, 6513458), (6, 3256729), (7, 2791482), (14, 1395741), (21, 930494), (29, 673806), (42, 465247), (58, 336903), (61, 320334), (87, 224602), (122, 160167), (174, 112301), (183, 106778), (203, 96258), (263, 74298), (366, 53389), (406, 48129), (427, 45762), (526, 37149), (609, 32086), (789, 24766), (854, 22881), (1218, 16043), (1281, 15254), (1578, 12383), (1769, 11046), (1841, 10614), (2562, 7627), (3538, 5523), (3682, 5307)]