19840250

素因数分解:

$2^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{1301}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 37778832

約数和(自身を除く): 17938582

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 125, 250, 305, 610, 1301, 1525, 2602, 3050, 6505, 7625, 13010, 15250, 32525, 65050, 79361, 158722, 162625, 325250, 396805, 793610, 1984025, 3968050, 9920125, 19840250]

約数ペア:

[(1, 19840250), (2, 9920125), (5, 3968050), (10, 1984025), (25, 793610), (50, 396805), (61, 325250), (122, 162625), (125, 158722), (250, 79361), (305, 65050), (610, 32525), (1301, 15250), (1525, 13010), (2602, 7625), (3050, 6505)]