18206940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15971}}^1$

素因数の和:16002

約数の個数: 48

約数和(自身を含む): 53665920

約数和(自身を除く): 35458980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 15971, 31942, 47913, 63884, 79855, 95826, 159710, 191652, 239565, 303449, 319420, 479130, 606898, 910347, 958260, 1213796, 1517245, 1820694, 3034490, 3641388, 4551735, 6068980, 9103470, 18206940]

約数ペア:

[(1, 18206940), (2, 9103470), (3, 6068980), (4, 4551735), (5, 3641388), (6, 3034490), (10, 1820694), (12, 1517245), (15, 1213796), (19, 958260), (20, 910347), (30, 606898), (38, 479130), (57, 319420), (60, 303449), (76, 239565), (95, 191652), (114, 159710), (190, 95826), (228, 79855), (285, 63884), (380, 47913), (570, 31942), (1140, 15971)]