19071255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 18253545

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 53, 69, 105, 115, 149, 159, 161, 265, 345, 371, 447, 483, 745, 795, 805, 1043, 1113, 1219, 1855, 2235, 2415, 3129, 3427, 3657, 5215, 5565, 6095, 7897, 8533, 10281, 15645, 17135, 18285, 23691, 23989, 25599, 39485, 42665, 51405, 55279, 71967, 118455, 119945, 127995, 165837, 181631, 276395, 359835, 544893, 829185, 908155, 1271417, 2724465, 3814251, 6357085, 19071255]

約数ペア:

[(1, 19071255), (3, 6357085), (5, 3814251), (7, 2724465), (15, 1271417), (21, 908155), (23, 829185), (35, 544893), (53, 359835), (69, 276395), (105, 181631), (115, 165837), (149, 127995), (159, 119945), (161, 118455), (265, 71967), (345, 55279), (371, 51405), (447, 42665), (483, 39485), (745, 25599), (795, 23989), (805, 23691), (1043, 18285), (1113, 17135), (1219, 15645), (1855, 10281), (2235, 8533), (2415, 7897), (3129, 6095), (3427, 5565), (3657, 5215)]