19648850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:124

約数の個数: 96

約数和(自身を含む): 43538880

約数和(自身を除く): 23890030

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 37, 38, 43, 50, 65, 74, 86, 95, 130, 185, 190, 215, 247, 325, 370, 430, 475, 481, 494, 559, 650, 703, 817, 925, 950, 962, 1075, 1118, 1235, 1406, 1591, 1634, 1850, 2150, 2405, 2470, 2795, 3182, 3515, 4085, 4810, 5590, 6175, 7030, 7955, 8170, 9139, 10621, 12025, 12350, 13975, 15910, 17575, 18278, 20425, 20683, 21242, 24050, 27950, 30229, 35150, 39775, 40850, 41366, 45695, 53105, 60458, 79550, 91390, 103415, 106210, 151145, 206830, 228475, 265525, 302290, 392977, 456950, 517075, 531050, 755725, 785954, 1034150, 1511450, 1964885, 3929770, 9824425, 19648850]

約数ペア:

[(1, 19648850), (2, 9824425), (5, 3929770), (10, 1964885), (13, 1511450), (19, 1034150), (25, 785954), (26, 755725), (37, 531050), (38, 517075), (43, 456950), (50, 392977), (65, 302290), (74, 265525), (86, 228475), (95, 206830), (130, 151145), (185, 106210), (190, 103415), (215, 91390), (247, 79550), (325, 60458), (370, 53105), (430, 45695), (475, 41366), (481, 40850), (494, 39775), (559, 35150), (650, 30229), (703, 27950), (817, 24050), (925, 21242), (950, 20683), (962, 20425), (1075, 18278), (1118, 17575), (1235, 15910), (1406, 13975), (1591, 12350), (1634, 12025), (1850, 10621), (2150, 9139), (2405, 8170), (2470, 7955), (2795, 7030), (3182, 6175), (3515, 5590), (4085, 4810)]