19429875

素因数分解:

$3^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:147

約数の個数: 80

約数和(自身を含む): 38507040

約数和(自身を除く): 19077165

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 101, 125, 135, 171, 225, 285, 303, 375, 405, 475, 505, 513, 675, 855, 909, 1125, 1425, 1515, 1539, 1919, 2025, 2375, 2525, 2565, 2727, 3375, 4275, 4545, 5757, 7125, 7575, 7695, 8181, 9595, 10125, 12625, 12825, 13635, 17271, 21375, 22725, 28785, 37875, 38475, 40905, 47975, 51813, 64125, 68175, 86355, 113625, 143925, 155439, 192375, 204525, 239875, 259065, 340875, 431775, 719625, 777195, 1022625, 1295325, 2158875, 3885975, 6476625, 19429875]

約数ペア:

[(1, 19429875), (3, 6476625), (5, 3885975), (9, 2158875), (15, 1295325), (19, 1022625), (25, 777195), (27, 719625), (45, 431775), (57, 340875), (75, 259065), (81, 239875), (95, 204525), (101, 192375), (125, 155439), (135, 143925), (171, 113625), (225, 86355), (285, 68175), (303, 64125), (375, 51813), (405, 47975), (475, 40905), (505, 38475), (513, 37875), (675, 28785), (855, 22725), (909, 21375), (1125, 17271), (1425, 13635), (1515, 12825), (1539, 12625), (1919, 10125), (2025, 9595), (2375, 8181), (2525, 7695), (2565, 7575), (2727, 7125), (3375, 5757), (4275, 4545)]