19403880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1667}}^1$

素因数の和:1778

約数の個数: 64

約数和(自身を含む): 58847040

約数和(自身を除く): 39443160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1667, 1940, 2328, 2910, 3334, 3880, 5001, 5820, 6668, 8335, 10002, 11640, 13336, 16670, 20004, 25005, 33340, 40008, 50010, 66680, 100020, 161699, 200040, 323398, 485097, 646796, 808495, 970194, 1293592, 1616990, 1940388, 2425485, 3233980, 3880776, 4850970, 6467960, 9701940, 19403880]

約数ペア:

[(1, 19403880), (2, 9701940), (3, 6467960), (4, 4850970), (5, 3880776), (6, 3233980), (8, 2425485), (10, 1940388), (12, 1616990), (15, 1293592), (20, 970194), (24, 808495), (30, 646796), (40, 485097), (60, 323398), (97, 200040), (120, 161699), (194, 100020), (291, 66680), (388, 50010), (485, 40008), (582, 33340), (776, 25005), (970, 20004), (1164, 16670), (1455, 13336), (1667, 11640), (1940, 10002), (2328, 8335), (2910, 6668), (3334, 5820), (3880, 5001)]