19215560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5279}}^1$

素因数の和:5310

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 34006840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5279, 10558, 21116, 26395, 36953, 42232, 52790, 68627, 73906, 105580, 137254, 147812, 184765, 211160, 274508, 295624, 343135, 369530, 480389, 549016, 686270, 739060, 960778, 1372540, 1478120, 1921556, 2401945, 2745080, 3843112, 4803890, 9607780, 19215560]

約数ペア:

[(1, 19215560), (2, 9607780), (4, 4803890), (5, 3843112), (7, 2745080), (8, 2401945), (10, 1921556), (13, 1478120), (14, 1372540), (20, 960778), (26, 739060), (28, 686270), (35, 549016), (40, 480389), (52, 369530), (56, 343135), (65, 295624), (70, 274508), (91, 211160), (104, 184765), (130, 147812), (140, 137254), (182, 105580), (260, 73906), (280, 68627), (364, 52790), (455, 42232), (520, 36953), (728, 26395), (910, 21116), (1820, 10558), (3640, 5279)]