19842015

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 33288192

約数和(自身を除く): 13446177

約数列:

[1, 3, 5, 15, 31, 71, 93, 155, 213, 355, 465, 601, 1065, 1803, 2201, 3005, 6603, 9015, 11005, 18631, 33015, 42671, 55893, 93155, 128013, 213355, 279465, 640065, 1322801, 3968403, 6614005, 19842015]

約数ペア:

[(1, 19842015), (3, 6614005), (5, 3968403), (15, 1322801), (31, 640065), (71, 279465), (93, 213355), (155, 128013), (213, 93155), (355, 55893), (465, 42671), (601, 33015), (1065, 18631), (1803, 11005), (2201, 9015), (3005, 6603)]