19288665

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 19418535

約数列:

[1, 3, 5, 9, 11, 15, 27, 31, 33, 45, 55, 93, 99, 135, 155, 165, 279, 297, 341, 419, 465, 495, 837, 1023, 1257, 1395, 1485, 1705, 2095, 3069, 3771, 4185, 4609, 5115, 6285, 9207, 11313, 12989, 13827, 15345, 18855, 23045, 38967, 41481, 46035, 56565, 64945, 69135, 116901, 124443, 142879, 194835, 207405, 350703, 428637, 584505, 622215, 714395, 1285911, 1753515, 2143185, 3857733, 6429555, 19288665]

約数ペア:

[(1, 19288665), (3, 6429555), (5, 3857733), (9, 2143185), (11, 1753515), (15, 1285911), (27, 714395), (31, 622215), (33, 584505), (45, 428637), (55, 350703), (93, 207405), (99, 194835), (135, 142879), (155, 124443), (165, 116901), (279, 69135), (297, 64945), (341, 56565), (419, 46035), (465, 41481), (495, 38967), (837, 23045), (1023, 18855), (1257, 15345), (1395, 13827), (1485, 12989), (1705, 11313), (2095, 9207), (3069, 6285), (3771, 5115), (4185, 4609)]