19049775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 33997824

約数和(自身を除く): 14948049

約数列:

[1, 3, 5, 15, 17, 25, 51, 67, 75, 85, 201, 223, 255, 335, 425, 669, 1005, 1115, 1139, 1275, 1675, 3345, 3417, 3791, 5025, 5575, 5695, 11373, 14941, 16725, 17085, 18955, 28475, 44823, 56865, 74705, 85425, 94775, 224115, 253997, 284325, 373525, 761991, 1120575, 1269985, 3809955, 6349925, 19049775]

約数ペア:

[(1, 19049775), (3, 6349925), (5, 3809955), (15, 1269985), (17, 1120575), (25, 761991), (51, 373525), (67, 284325), (75, 253997), (85, 224115), (201, 94775), (223, 85425), (255, 74705), (335, 56865), (425, 44823), (669, 28475), (1005, 18955), (1115, 17085), (1139, 16725), (1275, 14941), (1675, 11373), (3345, 5695), (3417, 5575), (3791, 5025)]