18900224

素因数分解:

$2^8\times 7^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 44150400

約数和(自身を除く): 25250176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 199, 212, 224, 256, 371, 398, 424, 448, 742, 796, 848, 896, 1393, 1484, 1592, 1696, 1792, 2786, 2968, 3184, 3392, 5572, 5936, 6368, 6784, 10547, 11144, 11872, 12736, 13568, 21094, 22288, 23744, 25472, 42188, 44576, 47488, 50944, 73829, 84376, 89152, 94976, 147658, 168752, 178304, 295316, 337504, 356608, 590632, 675008, 1181264, 1350016, 2362528, 2700032, 4725056, 9450112, 18900224]

約数ペア:

[(1, 18900224), (2, 9450112), (4, 4725056), (7, 2700032), (8, 2362528), (14, 1350016), (16, 1181264), (28, 675008), (32, 590632), (53, 356608), (56, 337504), (64, 295316), (106, 178304), (112, 168752), (128, 147658), (199, 94976), (212, 89152), (224, 84376), (256, 73829), (371, 50944), (398, 47488), (424, 44576), (448, 42188), (742, 25472), (796, 23744), (848, 22288), (896, 21094), (1393, 13568), (1484, 12736), (1592, 11872), (1696, 11144), (1792, 10547), (2786, 6784), (2968, 6368), (3184, 5936), (3392, 5572)]