19619145

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1597}}^1$

素因数の和:1631

約数の個数: 64

約数和(自身を含む): 42954240

約数和(自身を除く): 23335095

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1597, 1755, 2457, 4095, 4791, 7985, 11179, 12285, 14373, 20761, 23955, 33537, 43119, 55895, 62283, 71865, 100611, 103805, 145327, 167685, 186849, 215595, 301833, 311415, 435981, 503055, 560547, 726635, 934245, 1307943, 1509165, 2179905, 2802735, 3923829, 6539715, 19619145]

約数ペア:

[(1, 19619145), (3, 6539715), (5, 3923829), (7, 2802735), (9, 2179905), (13, 1509165), (15, 1307943), (21, 934245), (27, 726635), (35, 560547), (39, 503055), (45, 435981), (63, 311415), (65, 301833), (91, 215595), (105, 186849), (117, 167685), (135, 145327), (189, 103805), (195, 100611), (273, 71865), (315, 62283), (351, 55895), (455, 43119), (585, 33537), (819, 23955), (945, 20761), (1365, 14373), (1597, 12285), (1755, 11179), (2457, 7985), (4095, 4791)]