19640803416

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1\times {\mathrm{991}}^1$

素因数の和:1609

約数の個数: 128

約数和(自身を含む): 53429913600

約数和(自身を除く): 33789110184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 139, 156, 278, 312, 417, 457, 556, 834, 914, 991, 1112, 1371, 1668, 1807, 1828, 1982, 2742, 2973, 3336, 3614, 3656, 3964, 5421, 5484, 5941, 5946, 7228, 7928, 10842, 10968, 11882, 11892, 12883, 14456, 17823, 21684, 23764, 23784, 25766, 35646, 38649, 43368, 47528, 51532, 63523, 71292, 77298, 103064, 127046, 137749, 142584, 154596, 190569, 254092, 275498, 309192, 381138, 413247, 452887, 508184, 550996, 762276, 825799, 826494, 905774, 1101992, 1358661, 1524552, 1651598, 1652988, 1790737, 1811548, 2477397, 2717322, 3303196, 3305976, 3581474, 3623096, 4954794, 5372211, 5434644, 5887531, 6606392, 7162948, 9909588, 10744422, 10869288, 11775062, 14325896, 17662593, 19819176, 21488844, 23550124, 35325186, 42977688, 47100248, 62951293, 70650372, 125902586, 141300744, 188853879, 251805172, 377707758, 503610344, 755415516, 818366809, 1510831032, 1636733618, 2455100427, 3273467236, 4910200854, 6546934472, 9820401708, 19640803416]

約数ペア:

[(1, 19640803416), (2, 9820401708), (3, 6546934472), (4, 4910200854), (6, 3273467236), (8, 2455100427), (12, 1636733618), (13, 1510831032), (24, 818366809), (26, 755415516), (39, 503610344), (52, 377707758), (78, 251805172), (104, 188853879), (139, 141300744), (156, 125902586), (278, 70650372), (312, 62951293), (417, 47100248), (457, 42977688), (556, 35325186), (834, 23550124), (914, 21488844), (991, 19819176), (1112, 17662593), (1371, 14325896), (1668, 11775062), (1807, 10869288), (1828, 10744422), (1982, 9909588), (2742, 7162948), (2973, 6606392), (3336, 5887531), (3614, 5434644), (3656, 5372211), (3964, 4954794), (5421, 3623096), (5484, 3581474), (5941, 3305976), (5946, 3303196), (7228, 2717322), (7928, 2477397), (10842, 1811548), (10968, 1790737), (11882, 1652988), (11892, 1651598), (12883, 1524552), (14456, 1358661), (17823, 1101992), (21684, 905774), (23764, 826494), (23784, 825799), (25766, 762276), (35646, 550996), (38649, 508184), (43368, 452887), (47528, 413247), (51532, 381138), (63523, 309192), (71292, 275498), (77298, 254092), (103064, 190569), (127046, 154596), (137749, 142584)]