19895460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1157

約数の個数: 96

約数和(自身を含む): 62657280

約数和(自身を除く): 42761820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 1109, 1196, 1380, 1495, 1794, 2218, 2990, 3327, 3588, 4436, 4485, 5545, 5980, 6654, 8970, 11090, 13308, 14417, 16635, 17940, 22180, 25507, 28834, 33270, 43251, 51014, 57668, 66540, 72085, 76521, 86502, 102028, 127535, 144170, 153042, 173004, 216255, 255070, 288340, 306084, 331591, 382605, 432510, 510140, 663182, 765210, 865020, 994773, 1326364, 1530420, 1657955, 1989546, 3315910, 3979092, 4973865, 6631820, 9947730, 19895460]

約数ペア:

[(1, 19895460), (2, 9947730), (3, 6631820), (4, 4973865), (5, 3979092), (6, 3315910), (10, 1989546), (12, 1657955), (13, 1530420), (15, 1326364), (20, 994773), (23, 865020), (26, 765210), (30, 663182), (39, 510140), (46, 432510), (52, 382605), (60, 331591), (65, 306084), (69, 288340), (78, 255070), (92, 216255), (115, 173004), (130, 153042), (138, 144170), (156, 127535), (195, 102028), (230, 86502), (260, 76521), (276, 72085), (299, 66540), (345, 57668), (390, 51014), (460, 43251), (598, 33270), (690, 28834), (780, 25507), (897, 22180), (1109, 17940), (1196, 16635), (1380, 14417), (1495, 13308), (1794, 11090), (2218, 8970), (2990, 6654), (3327, 5980), (3588, 5545), (4436, 4485)]